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Choi S, Kim G, Pionke JJ. The Sleep Health of Individuals with Visual Impairments: A Scoping Review. Ophthalmic Epidemiol 2024:1-19. [PMID: 38865606 DOI: 10.1080/09286586.2024.2361167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Accepted: 05/21/2024] [Indexed: 06/14/2024]
Abstract
PURPOSE Amidst the global aging population and an increasing prevalence of visual impairment across all age groups, this study aims to investigate the current state of research on sleep health in visually impaired populations. METHODS A scoping review was conducted to synthesize the existing literature on sleep health and visual impairment. We employed conceptual mapping to identify key research topics, analyzing data from four databases: PubMed (n = 290), CINAHL (n = 81), Scopus (n = 117), and PsycInfo (n = 96). A total of 83 peer-reviewed articles, published from 1977 to August 2023, were included in the review. RESULTS Our analysis identified 11 distinct eye health conditions including blindness, glaucoma, diabetic retinopathy, low vision, cataract, retinitis pigmentosa, macular degeneration, optic neuropathy, visual field defects, ocular hypertension, and retinal vein occlusion. Additionally, 8 major sleep problems were recognized: abnormal sleep duration, daytime sleepiness, insomnia, Non-24-Hour Sleep Wake Disorder, sleep apnea, sleep disorders, sleep disturbances, and sleep disordered breathing. The dominant research themes were (1) poor sleep quality in individuals with visual impairments and ophthalmic diseases, (2) high prevalence of sleep issues in patients with ophthalmic diseases, (3) sleep apnea in patients with ophthalmic conditions, and (4) circadian rhythm disruptions in blind individuals. CONCLUSION This review highlights research gaps that, when addressed, could greatly enhance our comprehension of the interplay between visual impairment and sleep health. Bridging these gaps promises to lead to more holistic care strategies, potentially improving vision functioning and rehabilitation outcomes for individuals with visual impairments.
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Affiliation(s)
- Soyoung Choi
- Department of Kinesiology and Community Health, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Grace Kim
- Department of Human Development and Family Studies, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - J J Pionke
- School of Information Studies, Syracuse University, Syracuse, NY, USA
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Meurisse PL, Onen F, Zhao Z, Bastelica P, Baudouin C, Bonay M, Labbe A. [Primary open angle glaucoma and sleep apnea syndrome: A review of the literature]. J Fr Ophtalmol 2024; 47:104042. [PMID: 38306728 DOI: 10.1016/j.jfo.2023.104042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 08/16/2023] [Indexed: 02/04/2024]
Abstract
The relationship between glaucoma and Obstructive Sleep Apnea Syndrome (OSAS) has long been discussed, with conflicting study findings. OSAS appears in the most recent studies to be more of an aggravating factor than an independent risk factor for glaucoma. Patients with OSAS may develop a more rapid progression of primary open-angle glaucoma (POAG). OSAS may damage the optic nerve not only by increasing the intraocular pressure (IOP) but also by altering the blood supply to the optic nerve as shown by more recent work with OCT-Angiography. Although the systemic benefits of Continuous Positive Airway Pressure (CPAP) have been demonstrated, few studies have evaluated its effect on the optic nerve. CPAP might act on glaucomatous neuropathy by improving the blood supply to the optic nerve. The study of this mechanism of action might provide new insights into the relationship between OSAS and glaucoma.
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Affiliation(s)
- P L Meurisse
- Department of Ophthalmology, Ambroise Paré Hospital, AP-HP, University of Versailles Saint-Quentin-en-Yvelines, 9, avenue Charles-de-Gaulle, 92100 Boulogne-Billancourt, France.
| | - F Onen
- Department of respiratory physiology, Ambroise Paré Hospital, AP-HP, University of Versailles Saint-Quentin-en-Yvelines, 9, avenue Charles-de-Gaulle, 92100 Boulogne-Billancourt, France
| | - Z Zhao
- Department of Ophthalmology, Ambroise Paré Hospital, AP-HP, University of Versailles Saint-Quentin-en-Yvelines, 9, avenue Charles-de-Gaulle, 92100 Boulogne-Billancourt, France
| | - P Bastelica
- Department of Ophthalmology, Ambroise Paré Hospital, AP-HP, University of Versailles Saint-Quentin-en-Yvelines, 9, avenue Charles-de-Gaulle, 92100 Boulogne-Billancourt, France
| | - C Baudouin
- Department of Ophthalmology, Ambroise Paré Hospital, AP-HP, University of Versailles Saint-Quentin-en-Yvelines, 9, avenue Charles-de-Gaulle, 92100 Boulogne-Billancourt, France; Department of Ophthalmology 3, Quinze-Vingts National Ophthalmology Hospital, 28 rue de Charenton, 75012 Paris, France; Sorbonne Universités, Inserm, CNRS, Institut de la vision, IHU FOReSIGHT, 17 rue Moreau, 75012 Paris, France
| | - M Bonay
- Department of respiratory physiology, Ambroise Paré Hospital, AP-HP, University of Versailles Saint-Quentin-en-Yvelines, 9, avenue Charles-de-Gaulle, 92100 Boulogne-Billancourt, France
| | - A Labbe
- Department of Ophthalmology, Ambroise Paré Hospital, AP-HP, University of Versailles Saint-Quentin-en-Yvelines, 9, avenue Charles-de-Gaulle, 92100 Boulogne-Billancourt, France; Department of Ophthalmology 3, Quinze-Vingts National Ophthalmology Hospital, 28 rue de Charenton, 75012 Paris, France; Sorbonne Universités, Inserm, CNRS, Institut de la vision, IHU FOReSIGHT, 17 rue Moreau, 75012 Paris, France
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Bulloch G, Seth I, Zhu Z, Sukumar S, McNab A. Ocular manifestations of obstructive sleep apnea: a systematic review and meta-analysis. Graefes Arch Clin Exp Ophthalmol 2024; 262:19-32. [PMID: 37227479 PMCID: PMC10806133 DOI: 10.1007/s00417-023-06103-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 03/22/2023] [Accepted: 05/08/2023] [Indexed: 05/26/2023] Open
Abstract
BACKGROUND The association of obstructive sleep apnea (OSA) with development of eye diseases is unclear. This current systematic review and meta-analysis attempts to summarize and analyze associations between OSA and ocular disorders in the literature. METHODS PubMed, EMBASE, Google Scholar, Web Of Science, and Scopus databases were searched from 1901 to July 2022 in accordance with the Preferred Reporting in Systematic Review & Meta-Analysis (PRISMA). Our primary outcome assessed the association between OSA and the odds of developing floppy eyelid syndrome (FES), glaucoma, non-arteritic anterior ischemic optic neuropathy (NAION), retinal vein occlusion (RVO), keratoconus (KC), idiopathic intracranial hypertension (IIH), age-related macular degeneration (AMD), and central serous chorioretinopathy (CSR) through odds ratio calculated at the 95% confidence interval. RESULTS Forty-nine studies were included for systematic review and meta-analysis. The pooled OR estimate was highest for NAION [3.98 (95% CI 2.38, 6.66)], followed by FES [3.68 (95% CI 2.18, 6.20)], RVO [2.71(95% CI 1.83, 4.00)], CSR [2.28 (95% CI 0.65, 7.97)], KC [1.87 (95% CI 1.16, 2.99)], glaucoma [1.49 (95% CI 1.16, 1.91)], IIH [1.29 (95% CI 0.33, 5.01)], and AMD [0.92 [95% CI 0.24, 3.58] All observed associations were significant (p < 0.001) aside from IIH and AMD. CONCLUSION OSA is significantly associated with NAION, FES, RVO, CSR, KC, and glaucoma. Clinicians should be informed of these associations so early recognition, diagnosis, and treatment of eye disorders can be addressed in at-risk groups, and early referral to ophthalmic services is made to prevent vision disturbances. Similarly, ophthalmologists seeing patients with any of these conditions should consider screening and referring patients for assessment of possible OSA.
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Affiliation(s)
- Gabriella Bulloch
- Department of Ophthalmology and Surgery, Centre for Eye Research Australia, Victoria, 3002, Australia
| | - Ishith Seth
- Department of Ophthalmology and Surgery, Centre for Eye Research Australia, Victoria, 3002, Australia.
- Central Clinical School, Monash University, Melbourne, 3004, Australia.
| | - Zhuoting Zhu
- Department of Ophthalmology and Surgery, Centre for Eye Research Australia, Victoria, 3002, Australia
| | - Sharanya Sukumar
- Department of Ophthalmology and Surgery, Centre for Eye Research Australia, Victoria, 3002, Australia
| | - Alan McNab
- Department of Ophthalmology and Surgery, Centre for Eye Research Australia, Victoria, 3002, Australia
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Cheong AJY, Wang SKX, Woon CY, Yap KH, Ng KJY, Xu FWX, Alkan U, Ng ACW, See A, Loh SRH, Aung T, Toh ST. Obstructive sleep apnoea and glaucoma: a systematic review and meta-analysis. Eye (Lond) 2023; 37:3065-3083. [PMID: 36977937 PMCID: PMC10564942 DOI: 10.1038/s41433-023-02471-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 12/13/2022] [Accepted: 02/27/2023] [Indexed: 03/30/2023] Open
Abstract
INTRODUCTION Obstructive sleep apnoea (OSA) has been thought to be associated with glaucoma, however there are many conflicting studies on this topic. With many new studies having been published since the previous meta-analysis, we believe it is important to clarify this association. Hence, in this study we meta-analyse the recent literature regarding the association between OSA and glaucoma. METHODS Pubmed, Embase, Scopus and Cochrane Library were searched from inception till the 28th February 2022 for observational as well as cross-sectional studies examining the association between OSA and glaucoma. Two reviewers selected studies, extracted data, graded the quality of included non-randomized studies using the Newcastle-Ottawa scale. The overall quality of evidence was assessed using GRADE. Random-effects models were used to meta-analyse the maximally covariate- adjusted associations. RESULTS 48 studies were included in our systematic review, with 46 suitable for meta-analysis. Total study population was 4,566,984 patients. OSA was associated with a higher risk of glaucoma (OR 3.66, 95% CI 1.70 to 7.90, I2 = 98%, p < 0.01). After adjustment for various important confounders including age, gender and patient comorbidities such as hyperlipidaemia, hypertension, cardiovascular diseases and diabetes, patients with OSA had up to 40% higher odds of glaucoma. Substantial heterogeneity was eliminated through subgroup and sensitivity analyses after consideration of glaucoma subtype, OSA severity and adjustment for confounders. CONCLUSIONS In this meta-analysis, OSA was associated with higher risk of glaucoma, as well as more severe ocular findings characteristic of the glaucomatous disease process. We suggest more clinical studies looking into the effects of OSA treatment on the progression of glaucoma to help clinical decision making for patients.
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Affiliation(s)
- Alex Jia Yang Cheong
- Yong Loo Lin School of Medicine, National University of Singapore (NUS), Singapore, Singapore
| | - Sean Kang Xuan Wang
- Yong Loo Lin School of Medicine, National University of Singapore (NUS), Singapore, Singapore
| | - Chang Yi Woon
- Yong Loo Lin School of Medicine, National University of Singapore (NUS), Singapore, Singapore
| | - Ki Han Yap
- Yong Loo Lin School of Medicine, National University of Singapore (NUS), Singapore, Singapore
| | - Kevin Joo Yang Ng
- Yong Loo Lin School of Medicine, National University of Singapore (NUS), Singapore, Singapore
| | - Flora Wen Xin Xu
- Yong Loo Lin School of Medicine, National University of Singapore (NUS), Singapore, Singapore
| | - Uri Alkan
- Department of Otorhinolaryngology-Head and Neck Surgery, Rabin Medical Center - Beilinson Hospital, Petach Tikva, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Adele Chin Wei Ng
- Department of Otorhinolaryngology-Head & Neck Surgery, Singapore General Hospital, Singapore, Singapore
| | - Anna See
- Department of Otorhinolaryngology-Head & Neck Surgery, Singapore General Hospital, Singapore, Singapore
| | - Shaun Ray Han Loh
- Department of Otorhinolaryngology-Head & Neck Surgery, Singapore General Hospital, Singapore, Singapore
| | - Tin Aung
- Singapore National Eye Centre and Singapore Eye Research Institute, Singapore, Singapore
- Duke-NUS Medical School, Singapore, Singapore
| | - Song Tar Toh
- Department of Otorhinolaryngology-Head & Neck Surgery, Singapore General Hospital, Singapore, Singapore.
- Duke-NUS Medical School, Singapore, Singapore.
- Surgery Academic Clinical Program, SingHealth, Singapore, Singapore.
- Singhealth Duke-NUS Sleep Centre, Singhealth, Singapore, Singapore.
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Gutiérrez Martín LC. Update on the diagnosis and treatment of normotensive glaucoma. ARCHIVOS DE LA SOCIEDAD ESPANOLA DE OFTALMOLOGIA 2023:S2173-5794(23)00078-6. [PMID: 37209720 DOI: 10.1016/j.oftale.2023.05.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 04/19/2023] [Indexed: 05/22/2023]
Abstract
The increased Knowledge of the multifactorial origin of glaucoma, and especially the vascular involvement in normotensive glaucoma, can be seen in the high number of publications on this subject in recent years, which obliges us to review its diagnosis and treatment.
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Affiliation(s)
- L C Gutiérrez Martín
- Hospital Universitario Puerta de Hierro-Majadahonda, Majadahonda, Madrid, Spain.
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Cerquera Jaramillo MA, Moreno Mazo SE, Toquica Osorio JE. Primary open-angle glaucoma in patients with obstructive sleep apnoea in a Colombian population: a cross-sectional study. BMJ Open 2023; 13:e063506. [PMID: 36813489 PMCID: PMC9950889 DOI: 10.1136/bmjopen-2022-063506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/24/2023] Open
Abstract
OBJECTIVE Determine the prevalence, functional and structural alterations of primary open-angle glaucoma (POAG) in patients with obstructive sleep apnoea (OSA). DESIGN Cross-sectional. SETTING Tertiary hospital associated with specialised center in ophthalmologic images in Bogota, Colombia. PARTICIPANTS 150 patients, for a sample of 300 eyes, 64 women (42.7%) and 84 men (57.3%) between 40 and 91 years old with a mean age of 66.8 (±12.1) years. INTERVENTIONS Visual acuity, biomicroscopy, intraocular pressure, indirect gonioscopy and direct ophthalmoscopy. Patients classified as glaucoma suspects underwent automated perimetry (AP) and optical coherence tomography of the optic nerve OUTCOME MEASURE: The primary outcomes are the determination of prevalence of glaucoma suspects and POAG in patients with OSA. Secondary outcomes are the description of functional and structural alterations in computerised exams of patients with OSA. RESULTS The prevalence of glaucoma suspect was 12.6%, and for POAG was 17.3%. No alterations in the appearance of the optic nerve was seen in 74.6%, focal or diffuse thinning of the neuroretinal rim (16.6%) was the most frequently finding, followed by asymmetry of the disc>0.2 mm (8.6%) (p=0.005). In the AP, 41% showed arcuate, nasal step and paracentral focal defects. The mean retinal nerve fiber layer (RNFL) was normal (>80 µM) in 74% of the mild OSA group, 93.8% of the moderate group and 17.1% of the severe group. Similarly, normal (P5-90) ganglion cell complex (GCC) in 60%, 68% and 75%, respectively. Abnormal results in the mean RNFL was seen in 25.9%, 6.3% and 23.4% of the mild, moderate and severe groups, respectively. In the GCC, 39.7%, 33.3% and 25% of the patients in the aforementioned groups. CONCLUSION It was possible to determine the relationship between structural changes in the optic nerve and the severity of OSA. No relationship with any of the other studied variables was identified.
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Affiliation(s)
- Maria Alejandra Cerquera Jaramillo
- Ophthalmology and Glaucoma Department, Hospital Militar Central, Bogota, Colombia
- School of Medicine, Universidad Militar Nueva Granada, Bogota, Colombia
| | - Sara Edith Moreno Mazo
- Ophthalmology and Glaucoma Department, Hospital Militar Central, Bogota, Colombia
- School of Medicine, Universidad Militar Nueva Granada, Bogota, Colombia
| | - Jeanneth Eloyne Toquica Osorio
- Ophthalmology and Glaucoma Department, Hospital Militar Central, Bogota, Colombia
- School of Medicine, Universidad Militar Nueva Granada, Bogota, Colombia
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Lee TE, Kim JS, Yeom SW, Lee MG, Lee JH, Lee HJ. Long-term effects of obstructive sleep apnea and its treatment on open-angle glaucoma: a big-data cohort study. J Clin Sleep Med 2023; 19:339-346. [PMID: 36305582 PMCID: PMC9892736 DOI: 10.5664/jcsm.10334] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 10/03/2022] [Accepted: 10/04/2022] [Indexed: 02/04/2023]
Abstract
STUDY OBJECTIVES The relationship between open-angle glaucoma (OAG) and obstructive sleep apnea (OSA) is unclear. The long-term risk for OAG after OSA diagnosis has not been investigated. Therefore, we assessed the risk for OAG among patients with OSA over a 12-year follow-up period using nationwide, population-based data. METHODS The OSA group was randomly selected from among 3.5 million individuals registered with the National Health Insurance Service. The non-OSA group was obtained through propensity score matching considering several variables. The primary endpoint was glaucoma diagnosis. RESULTS The OSA and non-OSA groups both included 6,369 individuals. The overall hazard ratio for OAG in the OSA group was 1.42 (95% confidence interval [CI]: 1.19-1.69). In subgroup analysis, the hazard ratio for OAG was 1.94 (95% CI: 1.57-2.41) for those aged > 60 years, 1.50 (95% CI: 1.20-1.89) for those with diabetes mellitus, 1.53 (95% CI: 1.26-1.86) for those with hypertension, and 0.71 (95% CI: 0.52-0.96) for those with a history of OSA surgery. CONCLUSIONS Over the 12-year follow-up, the risk for OAG increased after OSA diagnosis. Further research will be necessary to determine if treating OSA can mitigate this association. CITATION Lee T-E, Kim JS, Yeom SW, Lee MG, Lee JH, Lee H-J. Long-term effects of obstructive sleep apnea and its treatment on open-angle glaucoma: a big-data cohort study. J Clin Sleep Med. 2023;19(2):339-346.
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Affiliation(s)
- Tae-Eun Lee
- Department of Ophthalmology, Jeonbuk National University Medical School, Jeonju, Republic of Korea
- Research Institute of Clinical Medicine of Jeonbuk National University – Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju, Republic of Korea
| | - Jong Seung Kim
- Research Institute of Clinical Medicine of Jeonbuk National University – Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju, Republic of Korea
- Department of Otorhinolaryngology-Head and Neck Surgery, Jeonbuk National University Medical School, Jeonju, Republic of Korea
- Department of Medical Informatics, Jeonbuk National University Medical School, Jeonju, Republic of Korea
| | - Sang Woo Yeom
- Department of Medical Informatics, Jeonbuk National University Medical School, Jeonju, Republic of Korea
| | - Min Gyu Lee
- Department of Medical Informatics, Jeonbuk National University Medical School, Jeonju, Republic of Korea
| | - Jong Hwan Lee
- Department of Otorhinolaryngology-Head and Neck Surgery, Jeonbuk National University Medical School, Jeonju, Republic of Korea
| | - Haeng-Jin Lee
- Department of Ophthalmology, Jeonbuk National University Medical School, Jeonju, Republic of Korea
- Research Institute of Clinical Medicine of Jeonbuk National University – Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju, Republic of Korea
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The Need for Glaucoma Management in Glaucoma Patients with Concurrent Obstructive Sleep Apnea: A Population-Based Cohort Study. Biomedicines 2023; 11:biomedicines11010187. [PMID: 36672694 PMCID: PMC9855908 DOI: 10.3390/biomedicines11010187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 11/22/2022] [Accepted: 01/05/2023] [Indexed: 01/15/2023] Open
Abstract
We try to evaluate glaucoma management numbers in patients with both glaucoma and obstructive sleep apnea (OSA) using the National Health Insurance Research Database (NHIRD) of Taiwan. A retrospective cohort study was conducted and patients with glaucoma were enrolled and divided into the OSA and non-OSA populations. A total of 11,778 participants were selected in both the OSA and non-OSA groups. The primary outcomes were the number of anti-glaucomatous medications each year and the total number of glaucoma laser and glaucoma surgeries. The Cox proportional hazard regression was utilized to produce the adjusted hazard ratios (AHR) with corresponding 95% confidence intervals (CI) between the two groups. After a study period of 18 years, 286 and 352 events of laser and surgeries for glaucoma were found in the OSA and non-OSA groups, respectively. After considering the effect of potential confounders, no significant difference concerning the numbers of laser trabeculoplasty, trabeculectomy and tube shunt surgery, cyclodestructive procedure and eyeball removal were found between the two groups (all 95% CIs included one). In addition, the multiple anti-glaucomatous medication usages were similar between the two groups (all p > 0.05) In the subgroup analyses, glaucoma patients older than 60 years and with OSA received significantly lesser trabeculectomy and tube shunt surgery compared to glaucoma patients older than 60 years without OSA (AHR: 0.774, 95% CI: 0.611−0.981) while other analyses revealed insignificant results (all 95% CIs included one). In conclusion, the presence of OSA does not increase the need for glaucoma management.
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Obsructive sleep apnea syndrome: is it a risk factor for ocular surface disease and ocular comorbidities? Int Ophthalmol 2022:10.1007/s10792-022-02629-3. [PMID: 36580155 DOI: 10.1007/s10792-022-02629-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 12/20/2022] [Indexed: 12/30/2022]
Abstract
PURPOSE To investigate the accompanying ocular findings in patients with obstructive sleep apnea syndrome (OSAS) and evaluate the susceptibility to ophthalmological diseases. MATERIALS AND METHODS In this cross-sectional study, qualifying study subjects were patients who had been diagnosed with severe OSAS (apnea/hypopnea index (AHI > 30/h), n = 31), and control subjects (n = 30) who had an AHI index of < 5 (as normal). General ophthalmological examination, eyelid laxity measurements, corneal topography, visual field, retinal nerve fiber layer parameters, dry eye tests were performed on the patients. RESULTS It was observed that the two groups had similar characteristics in terms of gender, age, presence of hypertension, diabetes, and body mass index. According to eyelid laxity measurements, the incidence of loose eyelids was higher in the OSAS patient group. Choroidal thickness was thinner in the study group than in the control group. Schirmer test and tear break-up time were significantly lower in the study group than in the control group. The percentage of meibomian gland loss in meibography and the ocular surface disease index score for symptoms was significantly higher in the study group than in the control group. CONCLUSION In this study, we found significant changes in ocular surface parameters, eyelid laxity, choroidal thickness, and visual field indices in OSAS patients. Dry eye syndrome might be related eyelid laxity and inflammation in OSAS patients. Early diagnosis and follow-up of ocular diseases in OSAS, which affect the quality of life and visual prognosis in advanced ages, are important.
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Letter to the Editor: Association of Metabolic Syndrome With Glaucoma and Ocular Hypertension in a Midwest United States Population. J Glaucoma 2022; 31:e107-e108. [PMID: 36223295 DOI: 10.1097/ijg.0000000000002127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Bussan KA, Stuard WL, Mussi N, Lee W, Whitson JT, Issioui Y, Rowe AA, Wert KJ, Robertson DM. Differential effects of obstructive sleep apnea on the corneal subbasal nerve plexus and retinal nerve fiber layer. PLoS One 2022; 17:e0266483. [PMID: 35771778 PMCID: PMC9246161 DOI: 10.1371/journal.pone.0266483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 03/22/2022] [Indexed: 11/18/2022] Open
Abstract
Purpose Obstructive sleep apnea (OSA) is an established independent risk factor for peripheral neuropathy. Macro and microvascular changes have been documented in OSA, including high levels of potent vasoconstrictors. In diabetes, vasoconstriction has been identified as an underlying risk factor for corneal neuropathy. This study sought to establish a potential relationship between OSA and corneal nerve morphology and sensitivity, and to determine whether changes in corneal nerves may be reflective of OSA severity. Design Single center cross-sectional study. Methods Sixty-seven patients were stratified into two groups: those with OSA and healthy controls. Groups were matched for age, sex, race, smoking, and dry eye status. Outcome measures included serologies, a dilated fundus exam, dry eye testing, anthropometric parameters, corneal sensitivity, subbasal nerve plexus morphology, retinal nerve fiber layer (RNFL) thickness, and the use of questionnaires to assess symptoms of dry eye disease, risk of OSA, and continuous positive airway pressure (CPAP) compliance. Results No significant differences were observed in corneal nerve morphology, sensitivity, or the number of dendritic cells. In the OSA test group, RNFL thinning was noted in the superior and inferior regions of the optic disc and peripapillary region. A greater proportion of participants in the OSA group required a subsequent evaluation for glaucoma than in the control. In those with OSA, an increase in the apnea hypopnea index was associated with an increase in optic nerve cupping. Conclusions OSA does not exert a robust effect on corneal nerves. OSA is however, associated with thinning of the RNFL. Participants with glaucomatous optic nerve changes and risk factors for OSA should be examined as uncontrolled OSA may exacerbate glaucoma progression.
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Affiliation(s)
- Katherine A. Bussan
- Department of Ophthalmology, The University of Texas Southwestern Medical Center, Dallas, TX, United States of America
| | - Whitney L. Stuard
- Department of Ophthalmology, The University of Texas Southwestern Medical Center, Dallas, TX, United States of America
| | - Natalia Mussi
- Department of Ophthalmology, The University of Texas Southwestern Medical Center, Dallas, TX, United States of America
| | - Won Lee
- Department of Internal Medicine, Clinical Center for Sleep and Breathing Disorders, The University of Texas Southwestern Medical Center, Dallas, TX, United States of America
| | - Jess T. Whitson
- Department of Ophthalmology, The University of Texas Southwestern Medical Center, Dallas, TX, United States of America
| | - Yacine Issioui
- Department of Ophthalmology, The University of Texas Southwestern Medical Center, Dallas, TX, United States of America
| | - Ashley A. Rowe
- Department of Ophthalmology, The University of Texas Southwestern Medical Center, Dallas, TX, United States of America
| | - Katherine J. Wert
- Department of Ophthalmology, The University of Texas Southwestern Medical Center, Dallas, TX, United States of America
| | - Danielle M. Robertson
- Department of Ophthalmology, The University of Texas Southwestern Medical Center, Dallas, TX, United States of America
- * E-mail:
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Dikmen N, Cakmak AI, Urfalioglu S. The effect of positive airway pressure therapy on intraocular pressure and retina in severe obstructive apnea syndrome. Sleep Biol Rhythms 2022; 20:267-273. [PMID: 38469251 PMCID: PMC10899910 DOI: 10.1007/s41105-021-00366-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2021] [Accepted: 12/08/2021] [Indexed: 11/27/2022]
Abstract
To identify and compare changes in intraocular pressure (IOP), macular, and peripapillary retinal nerve fiber layer (RNFL) thickness using optical coherence tomography (OCT) measurements before and after 3 months of positive airway pressure (PAP) therapy in patients with severe obstructive sleep apnea syndrome (OSAS). Twenty-five patients diagnosed with severe OSAS in the neurology sleep outpatient clinic were included in the study. Ophthalmologic examinations were performed at the time of diagnosis and after 3 months of PAP therapy. Statistical analysis of comparisons of pre-treatment and post-treatment measurements of IOP and OCT was performed. Before the PAP therapy, the correlations between central corneal thickness (CCT), body mass index (BMI), OCT, IOP, and sleep parameters were statistically analyzed. Compared to the pre-treatment measurements at the time of diagnosis, post-treatment measurements showed insignificant decrease in IOP, significant increase in mean macular thickness and significant thinning in superior nasal RNFL. There was no correlation found between pre-treatment measurements including IOP, OCT, CCT, BMI, and sleep parameters. The effect of intermittent hypoxia and hypercapnia on the IOP and macula may be reversible in severe OSAS patients receiving 3 months of PAP therapy, but the reversibility of the neurodegenerative effects of OSAS on RNFL with this treatment seems controversial. OCT can be considered to be a promising technique for monitoring disease progression under PAP therapy in patients with severe OSAS.
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Affiliation(s)
- Nursel Dikmen
- Department of Chest Diseases, Tayfur Ata Sokmen Medical School, Hatay Mustafa Kemal University, Antakya, Hatay Turkey
| | - Ayse Idil Cakmak
- Department of Ophthalmology, Tayfur Ata Sokmen Medical School, Hatay Mustafa Kemal University, 31040 Antakya, Hatay Turkey
| | - Selma Urfalioglu
- Department of Opthalmology, Kahramanmaras Sutcu Imam University Medical School, Onikişubat, Kahramanmaraş, Turkey
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Fine Particulate Matter Exposure Levels in Patients with Normal-Tension Glaucoma and Primary Open-Angle Glaucoma: A Population-Based Study from Taiwan. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19074224. [PMID: 35409910 PMCID: PMC8998620 DOI: 10.3390/ijerph19074224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Revised: 03/28/2022] [Accepted: 03/29/2022] [Indexed: 11/20/2022]
Abstract
Patients with NTG or POAG with more than one outpatient or discharge diagnosis from the ophthalmology department were included in the study. These data were merged with the PM2.5 data from the Air Quality Monitoring Network for analysis. This was a case−control study, with 1006 participants in the NTG group and 2533 in the POAG group. To investigate fine particulate matter (PM2.5) exposure levels in patients with normal-tension glaucoma (NTG) and primary open-angle glaucoma (POAG), patient data were obtained from Taiwan’s Longitudinal Health Insurance Database 2000 for the 2008 to 2013 period. We used a multivariate logic regression model to assess the risk for each participant. The PM2.5 exposure levels were divided into four groups: <25th percentile (Q1), <617 μg/mm3; 25th to 50th percentile (Q2), 617 to 1297 μg/mm3; 50th to 75th percentile (Q3), 1297 to 2113 μg/mm3; and >75th percentile (Q4), >2113 μg/mm3. The results are expressed in terms of odds ratio (OR) and 95% CI. A multiple logistic regression was used to compare the results of the NTG group with those of the POAG group. Compared with the PM2.5 Q1 level, the OR of the PM2.5 Q2 level was 1.009 (95% CI 0.812−1.254), the PM2.5 Q3 level was 1.241 (95% CI 1.241−1.537, p < 0.05), and the PM2.5 Q4 level was 1.246 (95% CI 1.008−1.539, p < 0.05). Our research reveals that compared with POAG, the risk of developing NTG is more closely related with PM2.5 exposure, and PM2.5 has a concentration−dose effect. It is hoped that in the future, in the clinical judgment of NTG and POAG, the level of PM2.5 in the environment can be taken as a risk factor.
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14
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Liu S, Li S, Li M, Zeng S, Chen B, Zhang L. Evaluation of the Ocular Surface and Meibomian Gland in Obstructive Sleep Apnea Hypopnea Syndrome. Front Med (Lausanne) 2022; 9:832954. [PMID: 35223929 PMCID: PMC8863666 DOI: 10.3389/fmed.2022.832954] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 01/14/2022] [Indexed: 12/03/2022] Open
Abstract
Purpose To assess the ocular surface and meibomian gland (MG) of patients with obstructive sleep apnea hypopnea syndrome (OSAHS) and to explore the effects of surgery for OSAHS on the ocular surface and MG. Methods Based on the apnea hypopnea index (AHI), 21 patients with mild OSAHS (Group A, 5/h ≤ AHI < 15/h), 20 patients with moderate OSAHS (Group B, 15/h ≤ AHI < 30/h), 62 patients with severe OSAHS (Group C, AHI ≥ 30/h) were examined. The ocular surface and MG were evaluated using Keratograph 5M. In addition, detailed Ophthalmic examination including visual acuity, refraction, slit-lamp examination of the anterior segment, corneal fluorescein staining (CFS), ocular surface disease index (OSDI) scoring, Schirmer I test (SIT) and serum lipid measurement was performed. For OSAHS patients with dry eye syndrome (DES) who underwent uvulopalatopharyngoplasty for improving AHI, the conditions of the ocular surface and MG were compared before surgery and 3 months after surgery. Only the data of the right eyes were analyzed. Results There were no significantly different in the OSDI score, tear meniscus height (TMH), or loss ratio of the lower eyelid (LRLE) among these groups. The first non-invasive tear film breakup time (fNIBUT), average non-invasive tear film breakup time (avNIBUT), bulbar redness index (BRI), lipid layer grading (LLG), CFS, plugged orifices and distortion in MG, the loss ratio of upper eyelid (LRUE), and the incidence of DES, floppy eyelid syndrome (FES) and meibomian gland dysfunction (MGD) showed significant differences between Groups A and C (p = 0.015, p = 0.018, p < 0.001, p = 0.022, p = 0.036, p = 0.007, p = 0.019, p = 0.017, p = 0.045, p = 0.013, and p = 0.029, respectively). The SIT in the Group A was significantly higher than in Group B (p = 0.025) and in Group C (p < 0.001). In the correlation analyses, the fNIBUT, avNIBUT, SIT and LLG had negative correlations with the AHI (p = 0.013, p = 0.010, p = 0.003, p < 0.001, and p = 0.006, respectively). The BRI, CFS and LRUE were positively correlated with the AHI (p = 0.006, p = 0.007, and p = 0.046, respectively). Three months after surgery, there were no significant differences in the ocular surface or MG. Conclusion Patients with severe OSAHS have poor stability of tear film and are prone to lipid-deficient dry eye as a result of the loss of meibomian gland. By improving the AHI, the ocular surface damage of OSAHS patients cannot be reversed in a short time.
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Affiliation(s)
- Shaohua Liu
- Department of Ophthalmology, The Second Xiangya Hospital of Central South University, Changsha, China.,Hunan Clinical Research Centre of Ophthalmic Disease, Changsha, China
| | - Shisheng Li
- Department of Otorhinolaryngology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Mengmeng Li
- Department of Otorhinolaryngology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Shiying Zeng
- Department of Otorhinolaryngology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Baihua Chen
- Department of Ophthalmology, The Second Xiangya Hospital of Central South University, Changsha, China.,Hunan Clinical Research Centre of Ophthalmic Disease, Changsha, China
| | - Liwei Zhang
- Department of Ophthalmology, The Second Xiangya Hospital of Central South University, Changsha, China.,Hunan Clinical Research Centre of Ophthalmic Disease, Changsha, China
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15
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García-Sánchez A, Villalaín I, Asencio M, García J, García-Rio F. Sleep apnea and eye diseases: evidence of association and potential pathogenic mechanisms. J Clin Sleep Med 2022; 18:265-278. [PMID: 34283018 PMCID: PMC8807908 DOI: 10.5664/jcsm.9552] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Eye diseases are an important group of increasingly prevalent disorders that contribute very significantly to disability and represent a considerable health burden. Some data suggest that several of these diseases may be associated with sleep-disordered breathing, mainly obstructive sleep apnea (OSA), due to intermediate mechanisms, such as intermittent hypoxia or sleep fragmentation. The aims of this systematic review were to identify and critically evaluate the current evidence supporting the existence of a possible relationship between OSA and the more relevant eye diseases as well as to evaluate the potential pathogenic mechanisms. There is a body of largely low-level evidence for the association of OSA with glaucoma, nonarteritic ischemic optic neuropathy, central serous chorioretinopathy, and diabetic retinopathy. Meta-analysis of available case-control studies shows that OSA increases the risk of glaucoma (pooled odds ratio: 1.50; 95% confidence interval: 1.25 to 1.80; P < .001), nonarteritic ischemic optic neuropathy (3.62; 1.94 to 6.76; P < .001), and diabetic retinopathy (1.57; 1.09 to 2.27; P = .02). Moreover, several pathogenic pathways have been identified, mainly related to hypoxic damage, mechanical stress, systemic inflammation, oxidative stress, sympathetic tone, and endothelial dysfunction. In contrast, information about the effect of apnea-hypopnea suppression on the development and progression of eye damage is either nonexistent or of a very low level of evidence. In conclusion, OSA has emerged as an additional potential risk factor for many eye diseases, although their link is weak and contradictory, so further examination is required. CITATION García-Sánchez A, Villalaín I, Asencio M, García J, García-Rio F. Sleep apnea and eye diseases: evidence of association and potential pathogenic mechanisms. J Clin Sleep Med. 2022;18(1):265-278.
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Affiliation(s)
- Aldara García-Sánchez
- Servicio de Neumología, Hospital Universitario Ramón y Cajal, Madrid, Spain,Centro de Investigación Biomédica en Red en Enfermedades Respiratorias (CIBERES), Madrid, Spain
| | - Isabel Villalaín
- Servicio de Oftalmología, Hospital Universitario La Paz, IdiPAZ, Madrid, Spain
| | - Mónica Asencio
- Servicio de Oftalmología, Hospital Universitario La Paz, IdiPAZ, Madrid, Spain
| | - Jesús García
- Servicio de Oftalmología, Hospital Universitario La Paz, IdiPAZ, Madrid, Spain
| | - Francisco García-Rio
- Centro de Investigación Biomédica en Red en Enfermedades Respiratorias (CIBERES), Madrid, Spain,Servicio de Neumología, Hospital Universitario La Paz, IdiPAZ, Madrid, Spain,Departamento de Medicina, Universidad Autónoma de Madrid, Madrid, Spain,Address correspondence to: Francisco Garcia-Río, PhD, Servicio de Neumología, Hospital Universitario La Paz, IdiPAZ, Paseo de la Castellana 261, 28046 Madrid, Spain;
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16
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Alotaibi M, Alsubaie M, Alharthi A, Alnabri A, Bormah A, Alafif K, Alhibshi N. The Risk of Obstructive Sleep Apnea in Open-Angle Glaucoma Patients. Cureus 2021; 13:e18699. [PMID: 34786269 PMCID: PMC8582017 DOI: 10.7759/cureus.18699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/12/2021] [Indexed: 11/05/2022] Open
Abstract
Background This study aimed to assess the risk of obstructive sleep apnea (OSA) in glaucoma patients using the STOP-BANG questionnaire at the King Abdulaziz University Hospital (KAUH), a tertiary care center in Saudi Arabia. Methodology This study used a cross-sectional telephone survey. Patients older than 18 years diagnosed with open-angle glaucoma, without a diagnosis of respiratory disease or steroid use, completed the STOP-BANG questionnaire, a validated tool to determine the risk for developing OSA. Patients with a score of 3 or more were considered at intermediate risk of OSA, and those with a score of 5 or more of the maximum 8 points were considered to have a high risk for moderate/severe OSA. Social demographic information and medical histories were collected from all patients using the medical record system of the KAUH. Results A total of 77 patients with glaucoma were included in the study. The mean STOP-BANG score was 3.40 ± 1.5; 27.3% of the patients had low risk of OSA, 36.4% had intermediate risk, and 36.4% had high risk. An evaluation of the OSA symptoms found snoring, tiredness, and observed apnea in 29.9%, 36.4%, and 14.3% of patients, respectively. The association between body mass index and STOP-BANG score was significant. Conclusions Our analysis and assessment of the association between glaucoma and OSA found no evidence that glaucoma patients are more likely to have OSA or develop more severe OSA than others. Therefore, we do not recommend systematic screening of glaucoma patients for OSA.
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Affiliation(s)
- Majed Alotaibi
- College of Medicine, King Abdulaziz University Hospital, Jeddah, SAU
| | - Mohammed Alsubaie
- College of Medicine, King Abdulaziz University Hospital, Jeddah, SAU
| | | | - Akram Alnabri
- College of Medicine, King Abdulaziz University Hospital, Jeddah, SAU
| | - Abdullah Bormah
- College of Medicine, King Abdulaziz University Hospital, Jeddah, SAU
| | - Khalid Alafif
- College of Medicine, King Abdulaziz University Hospital, Jeddah, SAU
| | - Nizar Alhibshi
- Ophthalmology, King Abdulaziz University Hospital, Jeddah, SAU
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17
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Goyal M, Tiwari US, Jaseja H. Pathophysiology of the comorbidity of glaucoma with obstructive sleep apnea: A postulation. Eur J Ophthalmol 2021; 31:2776-2780. [PMID: 33478247 DOI: 10.1177/1120672121990580] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Glaucoma is a serious and progressive optic neuropathy, the exact pathophysiology of which is still poorly understood. Furthermore, glaucoma exhibits significant comorbidity with obstructive sleep apnea (OSA) that warrants an in-depth study in view of highly probable beneficial and far-reaching clinical implications. In this brief paper, the authors have studied the existing theories in an attempt to explain the comorbidity and its underlying pathophysiology. From the ensuing evidence, the role of connective tissue strength has emerged as a major factor and which appears to play a pivotal role not only in the development of glaucoma but also in the underlying pathophysiology of its enigmatic comorbidity with OSA. Understanding the pathophysiology of the comorbidity can stimulate newer therapeutic strategies targeted toward strengthening of connective tissues that may at least retard if not arrest the progression of glaucomatous changes and their complications.
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Affiliation(s)
- Manish Goyal
- Department of Physiology, All India Institute of Medical Sciences, Bhubaneswar, Odisha, India
| | - Uma Sharan Tiwari
- Department of Ophthalmology, Gajra Raja Medical College, Gwalior, Madhya Pradesh, India
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18
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Al Saeed AA, AlShabib NS, Al Taisan AA, Kreary YA. Association of Retinal Vascular Manifestation and Obstructive Sleep Apnea (OSA): A Narrative Review. Clin Ophthalmol 2021; 15:3315-3320. [PMID: 34393479 PMCID: PMC8360361 DOI: 10.2147/opth.s305968] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 07/20/2021] [Indexed: 12/21/2022] Open
Abstract
Obstructive sleep apnea (OSA) is characterized by frequent episodes of partial or complete obstruction of the airway during sleep causing repeated episodes of apnea. OSA is more prevalent in middle-aged and older adults. OSA is associated with numerous ocular manifestations, including retinal manifestations. Literature highlighted the clear association between OSA and numerous ocular conditions including glaucoma and papilledema. This comprehensive and narrative review aims to summarize up-to-date clinical research concerning the association of OSA and vascular conditions that affect the retina. OSA is associated with the central serous chorioretinopathy (CSC), retinal vein occlusion (RVO), hypertensive retinopathy (HTRP) and development of diabetic retinopathy (DR). Sympathetic activation, hypoxia, and hormonal dysregulation all lead to serious retinal vascular conditions that will worsen OSA patients’ quality of life. It is important to refer patients with newly diagnosed OSA to an ophthalmology clinic for the appropriate test.
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Affiliation(s)
- Ali A Al Saeed
- College of Medicine, King Faisal University, Al-Ahasa, Saudi Arabia
| | | | - Abdulaziz A Al Taisan
- Department of Ophthalmology, College of Medicine, King Faisal University, Al-Ahasa, Saudi Arabia
| | - Yahya A Kreary
- Department of Vitreoretinal Surgery, Dhahran Eye Specialist Hospital, Dhahran, Eastern Province, Saudi Arabia
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19
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Liu PK, Chiu TY, Wang NK, Levi SR, Tsai MJ. Ocular Complications of Obstructive Sleep Apnea. J Clin Med 2021; 10:jcm10153422. [PMID: 34362205 PMCID: PMC8348497 DOI: 10.3390/jcm10153422] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Revised: 07/20/2021] [Accepted: 07/28/2021] [Indexed: 12/13/2022] Open
Abstract
Obstructive sleep apnea (OSA), the most common form of sleep-disordered breathing, is characterized by repetitive episodes of paused breathing during sleep, which in turn induces transient nocturnal hypoxia and hypercapnia. The high prevalence of OSA and its associated health consequences place a heavy burden on the healthcare system. In particular, the consequent episodic oxygenic desaturation/reoxygenation series and arousals from sleep in patients with OSA have the potential to trigger oxidative stress, elevated systemic inflammatory responses, and autonomic dysfunction with sympathetic activation. Given these adverse side-effects, OSA is highly correlated to many eye diseases that are common in everyday ophthalmic practices. Some of these ocular consequences are reversible, but they may permanently threaten a patient’s vision if not treated appropriately. Here, this article seeks to review the ocular consequences and potential pathophysiologic associations in patients with OSA. Understanding these OSA-related eye diseases may help clinicians provide comprehensive care to their patients.
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Affiliation(s)
- Pei-Kang Liu
- Department of Ophthalmology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan; (P.-K.L.); (T.-Y.C.)
- School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Institute of Biomedical Sciences, National Sun Yat-sen University, Kaohsiung 804, Taiwan
- Department of Ophthalmology, Edward S. Harkness Eye Institute, Columbia University, New York, NY 10032, USA; (N.-K.W.); (S.R.L.)
| | - Tzu-Yu Chiu
- Department of Ophthalmology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan; (P.-K.L.); (T.-Y.C.)
- School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Nan-Kai Wang
- Department of Ophthalmology, Edward S. Harkness Eye Institute, Columbia University, New York, NY 10032, USA; (N.-K.W.); (S.R.L.)
| | - Sarah R. Levi
- Department of Ophthalmology, Edward S. Harkness Eye Institute, Columbia University, New York, NY 10032, USA; (N.-K.W.); (S.R.L.)
| | - Ming-Ju Tsai
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Sleep Disorders Center, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Department of Respiratory Care, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Correspondence: ; Tel.: +886-7-3121101 (ext. 5601)
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20
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The Associations of Obstructive Sleep Apnea and Eye Disorders: Potential Insights into Pathogenesis and Treatment. CURRENT SLEEP MEDICINE REPORTS 2021. [DOI: 10.1007/s40675-021-00215-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Abstract
Purpose of Review
Obstructive sleep apnea (OSA) patients are at significantly increased risks for cardiovascular and cerebrovascular morbidities. Recently, there has been heightened interest in the association of OSA with numerous ocular diseases and possible improvement of these conditions with the initiation of OSA treatment. We reviewed the current evidence with an emphasis on the overlapping pathogeneses of both diseases.
Recent Findings
Currently available literature points to a substantial association of OSA with ocular diseases, ranging from those involving the eyelid to optic neuropathies and retinal vascular diseases. Since the retina is one of the highest oxygen-consuming tissues in the body, the intermittent hypoxia and hypercapnia ensuing in OSA can have deleterious effects on ocular function and health. Tissue hypoxia, autonomic dysfunction, microvascular dysfunction, and inflammation all play important roles in the pathogenesis of both OSA and ocular diseases. Whether OSA treatment is capable of reversing the course of associated ocular diseases remains to be determined. It is anticipated that future therapeutic approaches will target the common underlying pathophysiologic mechanisms and promote favorable effects on the treatment of known associated ocular diseases.
Summary
Emerging evidence supports the association of ocular diseases with untreated OSA. Future studies focusing on whether therapeutic approaches targeting the common pathophysiologic mechanisms will be beneficial for the course of both diseases are warranted.
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21
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Han X, Lee SSY, Ingold N, McArdle N, Khawaja AP, MacGregor S, Mackey DA. Associations of sleep apnoea with glaucoma and age-related macular degeneration: an analysis in the United Kingdom Biobank and the Canadian Longitudinal Study on Aging. BMC Med 2021; 19:104. [PMID: 33971878 PMCID: PMC8111909 DOI: 10.1186/s12916-021-01973-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Accepted: 03/24/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Sleep apnoea, a common sleep-disordered breathing condition, is characterised by upper airway collapse during sleep resulting in transient hypoxia, hypoperfusion of the optic nerve, and spike in intracranial pressure. Previous studies have reported conflicting findings on the association of sleep apnoea with glaucoma, and there are limited reports on the link between sleep apnoea and age-related macular degeneration (AMD). METHODS Middle-aged and older participants from the longitudinal United Kingdom (UK) Biobank (n = 502,505) and the Canadian Longitudinal Study on Aging (CLSA; n = 24,073) were included in this analysis. Participants in the UK Biobank and the CLSA were followed for 8 and 3 years, respectively. Participants with diagnosed glaucoma or AMD at baseline were excluded from the analysis. In the UK Biobank, sleep apnoea and incident cases of glaucoma and AMD were identified through hospital inpatient admission, primary care records, and self-reported data. Multivariable Cox proportional hazards models were used to explore associations of sleep apnoea with incidence of glaucoma or AMD. RESULTS During the 8-year follow-up in the UK Biobank, glaucoma incidence rates per 1000 person-years were 2.46 and 1.59 for participants with and without sleep apnoea, and the AMD incidence rates per 1000 person-years were 2.27 and 1.42 for participants with and without sleep apnoea, respectively. Multivariable adjusted hazard ratios of glaucoma and AMD risk for sleep apnoea were 1.33 (95% confidence interval [CI] 1.10-1.60, P = 0.003) and 1.39 (95% CI 1.15-1.68, P < 0.001) relative to participants without sleep apnoea. In the CLSA cohort, disease information was collected through in-person interview questionnaires. During the 3-year follow-up, glaucoma incidence rates per 1000 person-years for those with and without sleep apnoea were 9.31 and 6.97, and the AMD incidence rates per 1000 person-years were 8.44 and 6.67, respectively. In the CLSA, similar associations were identified, with glaucoma and AMD odds ratios of 1.43 (95% CI 1.13-1.79) and 1.39 (95% CI 1.08-1.77), respectively, in participants with sleep apnoea compared to those without sleep apnoea (both P < 0.001). CONCLUSIONS In two large-scale prospective cohort studies, sleep apnoea is associated with a higher risk of both glaucoma and AMD. These findings indicate that patients with sleep apnoea might benefit from regular ophthalmologic examinations.
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Affiliation(s)
- Xikun Han
- Statistical Genetics, QIMR Berghofer Medical Research Institute, 300 Herston Road, Brisbane, Queensland, 4006, Australia. .,School of Medicine, University of Queensland, Brisbane, Australia.
| | - Samantha Sze-Yee Lee
- Centre for Ophthalmology and Visual Science, Lions Eye Institute, University of Western Australia, Nedlands, Western Australia, Australia
| | - Nathan Ingold
- Statistical Genetics, QIMR Berghofer Medical Research Institute, 300 Herston Road, Brisbane, Queensland, 4006, Australia.,School of Biomedical Science, Faculty of Health, Queensland University of Technology, Brisbane, Queensland, Australia
| | - Nigel McArdle
- Centre for Sleep Science, School of Human Sciences, University of Western Australia, Nedlands, Australia.,West Australian Sleep Disorders Research Institute, Department of Pulmonary Physiology and Sleep Medicine, Sir Charles Gairdner Hospital, Nedlands, Australia
| | - Anthony P Khawaja
- National Institute for Health Research Biomedical Research Centre at Moorfields Eye Hospital NHS Foundation Trust and UCL Institute of Ophthalmology, London, UK
| | - Stuart MacGregor
- Statistical Genetics, QIMR Berghofer Medical Research Institute, 300 Herston Road, Brisbane, Queensland, 4006, Australia
| | - David A Mackey
- Centre for Ophthalmology and Visual Science, Lions Eye Institute, University of Western Australia, Nedlands, Western Australia, Australia
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22
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Salari N, Bokaee S, Farshchian N, Mohammadi M, Kazeminia M. The role of polymorphisms rs2070744 and rs1799983 eNOS gene in patients with POAG: a systematic review and meta-analysis. Int Ophthalmol 2021; 41:2747-2763. [PMID: 33837898 DOI: 10.1007/s10792-021-01832-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Accepted: 03/29/2021] [Indexed: 10/21/2022]
Abstract
BACKGROUND Glaucoma is a progressive disease of the optic nerve that has several underlying causes, but in most cases, the cause is unknown. Given the importance of the role of nitric oxide in the occurrence of ocular nerve damage and the effect of eNOS gene polymorphic sites on protein function, to better understand the mechanism of formation of POAG, the relationship between polymorphisms rs2070744 and rs1799983 eNOS gene with POAG risk was investigated in this study using meta-analysis. METHODS In this study, systematic review and meta-analysis of study data related to the study of polymorphisms rs2070744 and rs1799983 eNOS gene in patients with POAG using the keywords eNOS, NOS3, Gluuc8898, POAG, primary open-angle glaucoma. It was extracted from SID, MagIran, IranMedex, IranDoc, ScienceDirect, Embase, Scopus, PubMed, Web of Science, and Google Scholar search engines without a time limit until May 2020. To perform the analysis of qualified studies, the model of random effects was used and the inconsistency of studies with the I2 index was investigated. Data analysis was performed with Comprehensive Meta-Analysis (Version 2). RESULTS In a review of 16 studies (9 studies on polymorphism rs2070744 and seven studies on polymorphism rs1799983) with a sample size of 1631 subjects and a control group of 2405 subjects related to polymorphism rs2070744 and a group of 1456 subjects and a control group of 2240 subjects related to polymorphism 9997 rs1, the odds ratio of TT, CT, and CC genotypes was reported to be 0.95, 1.01, and 1.14, respectively, and the odds ratio of GG, GT and TT genotypes to be 0.88, 0.97, and 1.31, respectively, was reported in patients with POAG. CONCLUSION The results of our systematic review and meta-analysis study show that the eNOS gene polymorphisms rs2070744 and rs1799983 may increase the risk of POAG among individuals. However, further studies are needed to confirm these findings.
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Affiliation(s)
- Nader Salari
- Department of Biostatistics, School of Health, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Shadi Bokaee
- Faculty of Health and Life Sciences, School of Life Sciences, Coventry University, Coventry, UK
| | - Nushin Farshchian
- Department of Ophthalmology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Masoud Mohammadi
- Department of Nursing, School of Nursing and Midwifery, Kermanshah University of Medical Sciences, Kermanshah, Iran.
| | - Mohsen Kazeminia
- Student Research Committee, Kermanshah University of Medical Sciences, Kermanshah, Iran
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Muniesa MJ, Benítez I, Ezpeleta J, Sánchez de la Torre M, Pazos M, Millà E, Barbé F. Effect of CPAP Therapy on 24-Hour Intraocular Pressure-Related Pattern From Contact Lens Sensors in Obstructive Sleep Apnea Syndrome. Transl Vis Sci Technol 2021; 10:10. [PMID: 34003989 PMCID: PMC8054618 DOI: 10.1167/tvst.10.4.10] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Purpose To evaluate the effect of continuous positive airway pressure (CPAP) therapy on 24-hour intraocular pressure (IOP)-related pattern from contact lens sensors (CLS) in obstructive sleep apnea syndrome (OSAS). Methods Prospective, observational, case series study. Twenty-two eyes of 22 newly diagnosed patients with severe OSAS were included. A first 24-hour CLS measurement was performed before CPAP therapy was started, and a second 24-hour CLS monitoring was performed after beginning CPAP. We analyzed the amplitude and the maximum and minimum IOP-related values (m Veq). We also analyzed IOP-related measurements at five-minute intervals throughout the first hour of nocturnal acrophase, starting from when the patient fell asleep. Results The baseline measurements showed significant fluctuations in the IOP, with the highest IOP readings being recorded at night (nocturnal acrophase) in 17 of 22 patients (77.27%). Nocturnal acrophase began when the patients laid down to sleep. During CPAP therapy, the patients showed a more marked increase in IOP in the initial phase of nocturnal acrophase, with significant differences at 20, 25, 30, and 55 minutes (P < 0.05). Conclusions Most of patients with severe OSAS exhibited a nocturnal acrophase and the highest IOP readings at night. CPAP was associated with additional increase in IOP-related pattern for at least the first hour of CPAP use. Translational Relevance Our results suggest that CPAP was associated with additional increase in IOP during the initial phase of nocturnal acrophase. This effect could be important in the management of patients with OSAS and glaucomatous progression.
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Affiliation(s)
- María Jesús Muniesa
- Institut Clínic d'Oftalmologia, Hospital Clínic de Barcelona, Universitat de Barcelona, Barcelona, Spain.,Institut de Recerca Biomèdica de Lleida (IRBLleida)-Group of Translational Research in Respiratory Medicine, Lleida, Spain
| | - Iván Benítez
- Institut de Recerca Biomèdica de Lleida (IRBLleida)-Group of Translational Research in Respiratory Medicine, Lleida, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Madrid, Spain
| | - Juan Ezpeleta
- Ophthalmology Department, Arnau de Vilanova University Hospital, IRBLleida, Catalonia, Spain
| | - Manuel Sánchez de la Torre
- Institut de Recerca Biomèdica de Lleida (IRBLleida)-Group of Translational Research in Respiratory Medicine, Lleida, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Madrid, Spain
| | - Marta Pazos
- Institut Clínic d'Oftalmologia, Hospital Clínic de Barcelona, Universitat de Barcelona, Barcelona, Spain
| | - Elena Millà
- Institut Clínic d'Oftalmologia, Hospital Clínic de Barcelona, Universitat de Barcelona, Barcelona, Spain
| | - Ferrán Barbé
- Institut de Recerca Biomèdica de Lleida (IRBLleida)-Group of Translational Research in Respiratory Medicine, Lleida, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Madrid, Spain
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Chalkiadaki E, Andreanos K, Karmiris E, Florou C, Tsiafaki X, Amfilochiou A, Georgalas I, Koutsandrea C, Papaconstantinou D. Ganglion cell layer thickening in patients suffering from Obstructive Sleep Apnea-Hypopnea syndrome with long Mean Apnea-Hypopnea Duration during sleep. Int Ophthalmol 2020; 41:923-935. [PMID: 33201446 DOI: 10.1007/s10792-020-01648-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Accepted: 10/29/2020] [Indexed: 11/29/2022]
Abstract
PURPOSE To study the effects of mean apnea-hypopnea duration (MAD), a useful indicator of blood oxygenation, on peripapillary retinal nerve fiber layer (RNFL), macular ganglion cell to inner plexiform layer (GC-IPL) and macular retinal thickness in patients with obstructive sleep apnea-hypopnea syndrome (OSAHS). METHODS Sixty-five patients recently diagnosed with OSAHS and 35 healthy individuals were enrolled in this cross-sectional study. OSAHS patients were divided according to their MAD values into group 1 with 16 participants (MAD:10-15.5 s), group 2 with 17 participants (MAD:15.5-19 s), group 3 with 17 participants (MAD:19-30 s) and group 4 with 15 participants (MAD > 30 s). The average and sectorial values of RNFL, GC-IPL and retinal thickness were measured by SS-OCT (DRI OCT Triton, Topcon). Intraocular pressure was recorded by Goldmann Applanation and Pascal Dynamic Contour Tonometer (DCT-IOP). RESULTS The average RNFL and retinal thickness values were higher in group 4, but did not reach statistical significance. With the exception of the central 1 mm at the fovea, GC-IPL was always thickened in group 4, and significant differences were evident when its average value was compared with group 2 (p = 0.03), its superior and inferior-nasal values were compared with group 2 (p = 0.02, p = 0.006, respectively) and group 3 (p = 0.01, p = 0.02, respectively), its superior-temporal value was compared with group 3 (p = 0.003) and the control group (p = 0.03), and its superior-nasal value was compared with group 2 (p = 0.03), group 3 (p = 0.001) and the control group (p = 0.03). DCT-IOP was significantly positively correlated with the duration of sleep in which oxygen saturation (SaO2 ) was decreased under 90% (r = 0.359, p = 0.01). CONCLUSION We report a novel observation of GC-IPL thickening in OSAHS patients experiencing long MAD, a parameter which incorporates the severity of breathing events during sleep. Higher DCT-IOP was noted with advancing hypoxemia.
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Affiliation(s)
- Evangelia Chalkiadaki
- Department of Ophthalmology, 251 Hellenic Airforce General Hospital, P. Kanellopoulou Avenue, 11525, Athens, Greece. .,First Department of Ophthalmology, National and Kapodistrian University of Athens, General Hospital "G. Gennimatas", Athens, Greece.
| | - Konstantinos Andreanos
- First Department of Ophthalmology, National and Kapodistrian University of Athens, General Hospital "G. Gennimatas", Athens, Greece
| | - Efthymios Karmiris
- Department of Ophthalmology, 251 Hellenic Airforce General Hospital, P. Kanellopoulou Avenue, 11525, Athens, Greece
| | - Chrysoula Florou
- First Department of Ophthalmology, National and Kapodistrian University of Athens, General Hospital "G. Gennimatas", Athens, Greece
| | - Xanthi Tsiafaki
- Respiratory Function & Sleep Study Unit, "Sismanoglio" General Hospital of Attica, Marousi, Athens, Greece
| | - Anastasia Amfilochiou
- Respiratory Function & Sleep Study Unit, "Sismanoglio" General Hospital of Attica, Marousi, Athens, Greece
| | - Ilias Georgalas
- First Department of Ophthalmology, National and Kapodistrian University of Athens, General Hospital "G. Gennimatas", Athens, Greece
| | - Chrysanthi Koutsandrea
- First Department of Ophthalmology, National and Kapodistrian University of Athens, General Hospital "G. Gennimatas", Athens, Greece
| | - Dimitrios Papaconstantinou
- First Department of Ophthalmology, National and Kapodistrian University of Athens, General Hospital "G. Gennimatas", Athens, Greece
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Optic Disc Measures in Obstructive Sleep Apnea: A Community-based Study of Middle-aged and Older Adults. J Glaucoma 2020; 29:337-343. [PMID: 32134828 DOI: 10.1097/ijg.0000000000001485] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PRéCIS:: This study found an association between thinner superotemporal retinal nerve fiber layer (RNFL) and obstructive sleep apnea (OSA). However, the lack of association of sleep apnea with other disc measures does not support a link with glaucoma. AIM Previous findings on the link between OSA and increased glaucoma risk have been inconsistent. In a community-based study of middle-aged and older adults, we explored for differences in optic disc measures that may resemble preclinical glaucomatous changes in relation to OSA status and severity. METHODS A total of 865 participants (46 to 67 y; 45% male) underwent an at-home sleep study during which their apnea-hypopnea index (AHI) and sleep oxygen saturation level were measured. Participants were determined to have no OSA (AHI<5 events/h), mild (AHI 5 to 15), moderate (AHI 16 to 30), or severe OSA (AHI>30). At a 6-year follow-up visit, the optic discs of both eyes were imaged using spectral domain optic coherence tomography to measure the Bruch membrane opening-minimum rim widths and RNFL thicknesses. RESULTS On the basis of the AHI, 411 participants (48%) had OSA, of whom 92 (11% of total sample) and 26 (3%) had moderate and severe OSA, respectively. In the multivariate analysis, participants with severe OSA had thinner RNFL superotemporally than those without OSA or with mild OSA (P<0.001 and 0.001, respectively). In addition, superotemporal RNFL was inversely associated with AHI (P=0.004) and sleep time with oxygen saturation level <90% (P=0.005). There was no association between OSA measures and Bruch membrane opening-minimum rim widths. CONCLUSIONS Our findings do not provide strong evidence of a link between measures of OSA and the optic disc. However, the association between increased OSA severity and thinner superotemporal RNFL has been reported consistently in previous studies and thus warrants further evaluation.
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26
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Links between obstructive sleep apnea and glaucoma neurodegeneration. PROGRESS IN BRAIN RESEARCH 2020; 257:19-36. [PMID: 32988471 DOI: 10.1016/bs.pbr.2020.07.010] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
In the last few years, the possible link between obstructive sleep apnea (OSAS) and glaucoma, has attracted the interest of many scientists, especially in those forms of primary open angle glaucoma (POAG) and normal tension glaucoma (NTG), in which a progression of the disease occurs, even though intraocular pressure (IOP) is in the range of normality. The increased prevalence of POAG or NTG in patients affected by OSAS, and vice versa, has stimulated interest in the pathogenetic mechanisms that could trigger these two diseases. Hypoxia generated by apnea/hypopnea cycles has been identified as the main cause of many changes in the vascular and neurological systems, which alter the functioning not only of the optic nerve, but also of the whole organism. However, many other factors could be involved, like mechanical factors, obesity, hormonal imbalance and other sleep disorders. Furthermore, the demonstration of typical glaucomatous or glaucoma-like changes in the anatomy or function of the optic nerve and retinal nerve fiber layer by sensitive specific and diagnostic methods, such as perimetry, optical coherence tomography (OCT), optical coherence tomography angiography (OCTA) and electrophysiological exams keeps interest high for this field of study. For this reason, further investigations, hopefully a source of stronger scientific evidences, are needed.
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27
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Himori N, Nakazawa T. Response to the letter re "CPAP therapy reduces oxidative stress in patients with glaucoma and OSAS and improves the visual field". Graefes Arch Clin Exp Ophthalmol 2020; 259:1081-1082. [PMID: 32719940 DOI: 10.1007/s00417-020-04824-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 06/25/2020] [Accepted: 07/02/2020] [Indexed: 10/23/2022] Open
Affiliation(s)
- Noriko Himori
- Department of Ophthalmology, Tohoku University Graduate School of Medicine, 1-1 Seiryo-cho Aoba-ku, Sendai, Miyagi, 980-8574, Japan
| | - Toru Nakazawa
- Department of Ophthalmology, Tohoku University Graduate School of Medicine, 1-1 Seiryo-cho Aoba-ku, Sendai, Miyagi, 980-8574, Japan. .,Collaborative Program for Ophthalmic Drug Discovery, Tohoku University Graduate School of Medicine, Sendai, Japan. .,Department of Ophthalmic Imaging and Information Analytics, Tohoku University Graduate School of Medicine, Sendai, Japan. .,Department of Retinal Disease Control, Tohoku University Graduate School of Medicine, Sendai, Japan. .,Department of Advanced Ophthalmic Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan.
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28
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Bagabas N, Ghazali W, Mukhtar M, AlQassas I, Merdad R, Maniyar A, Almarzouki N, Afreen H, Badeeb O, Wali S. Prevalence of Glaucoma in Patients with Obstructive Sleep Apnea. J Epidemiol Glob Health 2020; 9:198-203. [PMID: 31529938 PMCID: PMC7310817 DOI: 10.2991/jegh.k.190816.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Accepted: 08/07/2019] [Indexed: 12/04/2022] Open
Abstract
To determine the prevalence of glaucoma in obstructive sleep apnea (OSA) patients and compare it with that of patients without OSA. Patients investigated for OSA using polysomnography at the sleep center of King Abdulaziz University Hospital were invited to participate in this cross-sectional case series study. American Academy of Sleep Medicine guidelines were used to diagnose OSA. Recruitment of patients with and without OSA was conducted from December 2013 to September 2015. Exclusion criteria included topical and systemic steroid use and presence of other ocular diseases. Two criteria, cup/disc ratio and visual field defects, were necessary for a glaucoma diagnosis. Among 84 adults enrolled, 44 (52%) had a confirmed diagnosis of OSA. Glaucoma prevalence was higher among individuals with OSA (16%) than among non-OSA individuals (8%), a difference that was not statistically significant. A consistent trend, which was not statistically significant after adjusting for cofounders, toward more glaucomatous changes was observed in OSA subjects. Although a trend toward higher glaucoma prevalence was observed in OSA patients, the difference was not statistically significant. As many variables contribute to the development of the two conditions, larger cohorts are needed to evaluate associations between glaucoma and OSA.
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Affiliation(s)
- Nahlah Bagabas
- Department of Radiology, National Guard Hospital, King Abdulaziz Medical City, Jeddah, Saudi Arabia
| | - Wafaa Ghazali
- Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mariam Mukhtar
- Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Ibrahim AlQassas
- Department of International Medical Center, Jeddah, Saudi Arabia
| | - Roah Merdad
- Department of Family and Community Medicine, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Ashfaque Maniyar
- Department of Ophthalmology, King Abdulaziz University Hospital, Jeddah, Saudi Arabia
| | - Nawaf Almarzouki
- Department of Ophthalmology, King Abdulaziz University Hospital, Jeddah, Saudi Arabia
| | - Halima Afreen
- Department of Ophthalmology, King Abdulaziz University Hospital, Jeddah, Saudi Arabia
| | - Osama Badeeb
- Department of Ophthalmology, King Abdulaziz University Hospital, Jeddah, Saudi Arabia
| | - Siraj Wali
- Sleep Medicine and Research Center, King Abdulaziz University Hospital, Jeddah, Saudi Arabia
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29
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Chen MJ. Normal tension glaucoma in Asia: Epidemiology, pathogenesis, diagnosis, and management. Taiwan J Ophthalmol 2020; 10:250-254. [PMID: 33437596 PMCID: PMC7787092 DOI: 10.4103/tjo.tjo_30_20] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Accepted: 05/22/2020] [Indexed: 12/20/2022] Open
Abstract
Normal tension glaucoma (NTG) has similar optic neuropathy as primary open-angle glaucoma (POAG), but intraocular pressure (IOP) is within the normal range. Compared with high-pressure POAG, the development of NTG is possibly a consequence of a complex interaction of several ocular and systemic factors. Recent data have shown higher translaminar pressure gradient due to impaired cerebrospinal fluid dynamics may account for the pathogenic mechanism. Insufficient blood supply and vascular dysregulation may also be the cause of the disease. In clinical evaluation, NTG is a diagnosis by excluding other nonglaucomatous optic neuropathies. NTG is characterized by larger and deeper optic-disc cupping, more central visual field defects and a higher incidence of disc hemorrhage compared with POAG. In clinical practice, controlling IOP as low as possible (with medication, laser trabeculoplasty, or surgery) is the key to manage NTG patients. In addition to IOP reduction, the control of systemic risk factors or improving ocular perfusion may be beneficial therapies. NTG is more prevalent in Asia than in the Western countries. Due to increasing old population and underdiagnoses in the clinical settings, NTG became a great challenge for ophthalmologist in Asia. Therefore, the aim of this article is to focus on the epidemiology, to update pathogenesis, diagnosis, and management for NTG.
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Affiliation(s)
- Mei-Ju Chen
- Department of Ophthalmology, Taipei Veterans General Hospital, Taipei, Taiwan.,Department of Ophthalmology, School of Medicine, National Yang-Ming University, Taipei, Taiwan
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30
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Batum M, Kısabay A, Mayalı H, Göktalay T, Kurt E, Selçuki D, Yılmaz H. Evaluation of effects of positive airway pressure treatment on retinal fiber thickness and visual pathways using optic coherence tomography and visual evoked potentials in the patients with severe obstructive sleep apnea syndrome. Int Ophthalmol 2020; 40:2475-2485. [PMID: 32506292 DOI: 10.1007/s10792-020-01426-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Accepted: 05/13/2020] [Indexed: 11/26/2022]
Abstract
INTRODUCTION Hypoxia during sleep in obstructive sleep apnea syndrome (OSAS) increases intracranial pressure, decreases cerebral perfusion pressure, and alters vascular supply to the optic nerve. Pattern visual evoked potential (pVEP) has revealed that it causes alterations in the optic nerve, and optic coherence tomography has shown that it causes alterations in the retinal and macular layers. OBJECTIVES To detect and compare possible alterations in macula and peripapillary retinal nerve fiber thickness (pRNFL) using OCT and in the optic nerve pathways using pVEP before and after positive airway pressure (PAP) in the patients with severe OSAS. MATERIALS AND METHODS Thirty patients who were diagnosed as having severe OSAS in the neurology-sleep outpatient clinic and 30 healthy control subjects were included in the study. Ophthalmic examinations were performed prior to (month 0) and after (month 6) PAP treatment, and pVEP (peak time [PT] and amplitude) and OCT parameters (peripapillary retinal-macular layers) were compared. RESULTS In the comparison between the severe OSAS (before treatment) and control groups, thinning was found in pRNFL (average, nasal, inferior) and in the macular layers (external and internal superior quadrants) (p < 0.05). pVEP investigation revealed increased PT in P100 and N145 waves and decreased amplitude of N75-P100 waves. In the comparisons before and after PAP treatment, a decrease in PT of N75 and P100 waves and increase in N75-P100 amplitudes were found. In the pRNFL, significant thickening was found in the layers with thinning before treatment, whereas no significant thickening was found in macular layers, except for the fovea. DISCUSSION It was shown that PAP treatment in patients with severe OSAS prevents hypoxia without causing alterations in intraocular pressure and thus reduces inflammation and causes thickening in the pRNFL and macular layers.
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Affiliation(s)
- Melike Batum
- Department of Neurology, Celal Bayar University, 45000, Manisa, Turkey.
| | - Ayşın Kısabay
- Department of Neurology, Celal Bayar University, 45000, Manisa, Turkey
| | - Hüseyin Mayalı
- Department of Ophthalmology, Celal Bayar University, 45000, Manisa, Turkey
| | - Tuğba Göktalay
- Department of Chest Diseases, Celal Bayar University, 45000, Manisa, Turkey
| | - Emin Kurt
- Department of Ophthalmology, Celal Bayar University, 45000, Manisa, Turkey
| | - Deniz Selçuki
- Department of Neurology, Celal Bayar University, 45000, Manisa, Turkey
| | - Hikmet Yılmaz
- Department of Neurology, Celal Bayar University, 45000, Manisa, Turkey
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31
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Uslu H, Kanra AY, Sarac S. Structural assessment of the optic nerve in patients with obstructive sleep apnea syndrome: Case-control study. Eur J Ophthalmol 2020; 31:1741-1748. [PMID: 32483999 DOI: 10.1177/1120672120926859] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
OBJECTIVE Obstructive sleep apnea syndrome has been identified as a possible risk factor for optic nerve pathology such as glaucoma, nonarteritic ischemic optic neuropathy, and optic disk edema. Accordingly, we aimed to evaluate structural changes of the apparently normal optic nerve in obstructive sleep apnea syndrome patients with effects of its severity. MATERIALS AND METHODS In this prospective case-control study, 47 eyes of 47 obstructive sleep apnea syndrome patients diagnosed with polysomnography and 40 eyes of 40 healthy subjects were included. Spectral-domain optical coherence tomography was used to evaluate the peripapillary retinal nerve fiber layer thickness, optic nerve head topographic parameters, and retinal ganglion cell-inner plexiform layer thickness. RESULTS The average peripapillary nerve fiber layer thickness was lower in obstructive sleep apnea syndrome patients than in controls (90.74 ± 7.98 vs 94.93 ± 6.13 μm; p = 0.008). The average cup/disk ratio and the vertical cup/disk ratio in patients with OSAS were significantly higher compared to the controls (both p < 0.001). However, no significant difference in retinal ganglion cell-inner plexiform layer thickness was found. CONCLUSION Even if the retinal ganglion cell-inner plexiform layer thicknesses did not significantly differ between the obstructive sleep apnea syndrome and control groups, obstructive sleep apnea syndrome patients showed a decreased peripapillary nerve fiber layer thickness and increased optic nerve head parameters. These findings can be used as an indicator of optic nerve damage in the early diagnosis of obstructive sleep apnea syndrome patients.
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Affiliation(s)
- Hasim Uslu
- Department of Ophthalmology, Hisar Hospital, Istanbul, Turkey
| | - Ayşe Yagmur Kanra
- Department of Ophthalmology, Dünyagöz Eye Hospital, Istanbul, Turkey
| | - Sema Sarac
- Süreyyapaşa Thoracic Diseases and Thoracic Surgery Hospital, Istanbul, Turkey
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32
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Continuous intraocular pressure monitoring in patients with obstructive sleep apnea syndrome using a contact lens sensor. PLoS One 2020; 15:e0229856. [PMID: 32126130 PMCID: PMC7053760 DOI: 10.1371/journal.pone.0229856] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Accepted: 02/16/2020] [Indexed: 01/12/2023] Open
Abstract
Purpose To analyse nocturnal intraocular pressure (IOP) fluctuations in patients with obstructive sleep apnea syndrome (OSAS) using a contact lens sensor (CLS) and to identify associations between the OSAS parameters determined by polysomnographic study (PSG) and IOP changes. Method Prospective, observational study. Twenty participants suspected of having OSAS were recruited. During PSG study, IOP was monitored using a CLS placed in the eye of the patient. The patients were classified according to the apnea-hypopnea index (AHI) in two categories, severe (>30) or mild/moderate (<30) OSAS. We evaluated several parameters determined by the IOP curves, including nocturnal elevations (acrophase) and plateau times in acrophase (PTs) defined by mathematical and visual methods. Results The IOP curves exhibited a nocturnal acrophase followed by PTs of varying extents at which the IOP remained higher than daytime measurement with small variations. We found significant differences in the length of the PTs in patients with severe OSAS compared to those with mild/moderate disease (P = 0.032/P = 0.028). We found a positive correlation between PTs and OSAS severity measured by the total number of apneic events (r = 0.681/0.751 P = 0.004/0.001) and AHI (r = 0.674/0.710, P = 0.004/0.002). Respiratory-related arousal and oxygen saturation also were associated significantly with the IOP PT length. Conclusions Periods of nocturnal IOP elevation lasted longer in severe OSAS patients than those with mild/moderate OSAS and correlate with the severity of the disease. The length of the nocturnal PT is also associated to respiratory parameters altered in patients with OSAS.
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33
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Duque-Chica GL, Gracitelli CPB, Moura ALA, Nagy BV, Vidal KS, de Melo G, Paranhos A, Cahali MB, Ventura DF. Contributions of the Melanopsin-Expressing Ganglion Cells, Cones, and Rods to the Pupillary Light Response in Obstructive Sleep Apnea. Invest Ophthalmol Vis Sci 2019; 60:3002-3012. [PMID: 31310657 DOI: 10.1167/iovs.19-26944] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Purpose To investigate the impact of obstructive sleep apnea (OSA) on the contribution of inner and outer retinal photoreceptors to the pupillary light response (PLR). Methods Ninety-three eyes from 27 patients with OSA and 25 healthy controls were tested. OSA severity was graded according to the apnea-hypopnea index. PLR was measured monocularly with an eye tracker in a Ganzfeld in response to 1-second blue (470 nm) and red (640 nm) flashes at -3, -2, -1, 0, 1, 2, and 2.4 log cd/m2. Peak pupil constriction amplitude, peak latency, and the postillumination pupil response were measured. The Cambridge Colour Test, standard automatic perimetry, spectral domain optical coherence tomography, polysomnography, and the Pittsburgh Sleep Quality Index were used. Results OSA patients have a significantly decreased peak pupil constriction amplitude for blue stimuli at -3, -2, -1, 1 log cd/m2 and at all red flash luminances (P < 0.050), revealing reduction of outer retina contributions to PLR. OSA patients showed reduced peak latency for blue (-2, 0, 2, 2.4 log cd/m2) and red stimuli (-2, 0 log cd/m2; P < 0.040). No significant difference was found in the melanopsin-mediated PLR. Conclusions This study is the first to evaluate the inner and outer retinal contributions to PLR in OSA patients. The results showed that the outer retinal photoreceptor contributions to PLR were affected in moderate and severe OSA patients. In contrast, the inner retina contributions to PLR are preserved.
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Affiliation(s)
- Gloria L Duque-Chica
- Experimental Psychology Department, Institute of Psychology, University of Sao Paulo, Sao Paulo, Brazil.,Department of Psychology, University of Medellin, Medellin, Colombia
| | - Carolina P B Gracitelli
- Department of Ophthalmology and Visual Science, Federal University of Sao Paulo, Sao Paulo, Brazil
| | - Ana L A Moura
- Experimental Psychology Department, Institute of Psychology, University of Sao Paulo, Sao Paulo, Brazil.,Department of Ophthalmology and Visual Science, Federal University of Sao Paulo, Sao Paulo, Brazil
| | - Balázs V Nagy
- Experimental Psychology Department, Institute of Psychology, University of Sao Paulo, Sao Paulo, Brazil.,Department of Mechatronics, Optics and Engineering Informatics, Budapest University of Technology and Economics, Budapest, Hungary
| | - Kallene S Vidal
- Experimental Psychology Department, Institute of Psychology, University of Sao Paulo, Sao Paulo, Brazil.,Prevent Senior institute, Sao Paulo, Brazil
| | - Geraldine de Melo
- Department of Ophthalmology and Visual Science, Federal University of Sao Paulo, Sao Paulo, Brazil
| | - Augusto Paranhos
- Department of Ophthalmology and Visual Science, Federal University of Sao Paulo, Sao Paulo, Brazil
| | - Michel B Cahali
- Department of Otolaryngology, Hospital das Clínicas, School of Medicine, University of Sao Paulo, Sao Paulo, Brazil
| | - Dora F Ventura
- Experimental Psychology Department, Institute of Psychology, University of Sao Paulo, Sao Paulo, Brazil
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Gender differences in the influence of obstructive sleep apnea on optic nerve head circulation. Sci Rep 2019; 9:18849. [PMID: 31827230 PMCID: PMC6906515 DOI: 10.1038/s41598-019-55470-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Accepted: 11/28/2019] [Indexed: 01/23/2023] Open
Abstract
We investigated gender differences in the optic nerve head (ONH) microcirculation status in association with obstructive sleep apnea (OSA) by using laser speckle flowgraphy (LSFG). We evaluated 150 men (60.5 ± 11.0 yrs) and 45 women (63.0 ± 10.6 yrs) who underwent overnight polysomnography. The mean blur rate (MBR), maximum (Max) MBR, and minimum (Min) MBR were evaluated. The parameters were analyzed separately for the tissues, vessels, and throughout the ONH (All). The apnea hypopnea index (AHI: times/hr), the lowest SpO2%, and the mean SpO2% were calculated as indicators of OSA. We investigated which MBR sections are correlated with OSA parameters separately in the men and women. All MBR sections in the women were significantly positively correlated with the lowest SpO2. In the men, no MBR section was correlated with any OSA parameters. The factors contributing independently to MBR-Tissue were height (β = 0.31) and lowest SpO2 (β = 0.30). The lowest SpO2 in the women was significantly positively correlated with Max MBR-Tissue, Max MBR-All, and Min MBR-All. Our results confirmed a gender difference in characteristics of ONH microcirculation in association with OSA.
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Salinas R, Puig M, Fry CL, Johnson DA, Kheirkhah A. Floppy eyelid syndrome: A comprehensive review. Ocul Surf 2019; 18:31-39. [PMID: 31593763 DOI: 10.1016/j.jtos.2019.10.002] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2019] [Revised: 09/21/2019] [Accepted: 10/03/2019] [Indexed: 01/11/2023]
Abstract
Floppy eyelid syndrome (FES) is defined as eyelid hyperlaxity with reactive palpebral conjunctivitis. It is a common condition that can be associated with significant ocular irritation. FES presents with easily everted eyelids and chronic papillary conjunctivitis in the upper eyelids. It is frequently associated with ocular and systemic diseases, notably keratoconus and obstructive sleep apnea, respectively. This comprehensive review describes the epidemiology, pathological changes, proposed pathogenesis, clinical manifestations, and a variety of treatment options for this condition. Conservative treatment of FES includes aggressive lubrication, nighttime eye shield, and avoiding sleeping on the affected eye. Patients with FES and obstructive sleep apnea may have an improvement in their ocular signs and symptoms after long-term therapy with continuous positive airway pressure. In refractory cases, a corrective surgery that addresses the eyelid laxity can result in significant improvement. All patients with ocular irritation should be evaluated for the presence of FES.
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Affiliation(s)
- Ricardo Salinas
- Department of Ophthalmology, Long School of Medicine, University of Texas Health at San Antonio, San Antonio, TX, USA
| | - Madeleine Puig
- Department of Ophthalmology, Long School of Medicine, University of Texas Health at San Antonio, San Antonio, TX, USA
| | - Constance L Fry
- Department of Ophthalmology, Long School of Medicine, University of Texas Health at San Antonio, San Antonio, TX, USA
| | - Daniel A Johnson
- Department of Ophthalmology, Long School of Medicine, University of Texas Health at San Antonio, San Antonio, TX, USA
| | - Ahmad Kheirkhah
- Department of Ophthalmology, Long School of Medicine, University of Texas Health at San Antonio, San Antonio, TX, USA.
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Lee SSY, McArdle N, Sanfilippo PG, Yazar S, Eastwood PR, Hewitt AW, Li Q, Mackey DA. Associations between Optic Disc Measures and Obstructive Sleep Apnea in Young Adults. Ophthalmology 2019; 126:1372-1384. [PMID: 31196726 DOI: 10.1016/j.ophtha.2019.04.041] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Revised: 04/15/2019] [Accepted: 04/26/2019] [Indexed: 11/26/2022] Open
Abstract
PURPOSE Obstructive sleep apnea (OSA) is linked to increased glaucoma risk in middle-aged and older adults. However, little is known about associations between OSA and glaucoma-related optic disc parameters in young adults. We explored associations between overnight polysomnography-derived measures of OSA and the optic disc in young adults. DESIGN Cross-sectional cohort study. PARTICIPANTS Eight hundred forty-eight adults 19 to 22 years of age. METHODS Participants underwent an ophthalmic examination that included OCT imaging of the optic disc and measurements of intraocular pressure, axial length, and refractive error. Participants then underwent an overnight polysomnography study that obtained measurements of apnea-hypopnea index (AHI), peripheral oxygen saturation level, and number of cortical arousals from sleep. Based on the AHI results, participants were grouped into no OSA (AHI < 5 events/hour), mild OSA (AHI ≥ 5 and <15 events/hour), moderate OSA (AHI ≥ 15 and <30 events/hour), or severe OSA (AHI ≥ 30 events/hour). MAIN OUTCOME MEASURES Neuroretinal rim area, horizontal and vertical widths, and peripapillary retinal nerve fiber layer (RNFL) thickness. RESULTS The median AHI result across the study cohort was 2.2 events per hour (interquartile range, 1.0-4.4 events/hour). Based on the AHI results, 178 participants (21.0%) demonstrated OSA: 150 with mild OSA, 26 with moderate OSA, and 2 with severe OSA. In the unadjusted analyses, participants with OSA on average showed thinner peripapillary RNFL at the inferotemporal (P = 0.026) and superotemporal (P = 0.008) segments compared with those without OSA. Additionally, higher AHI results were associated with thinner RNFL superotemporally (P = 0.007). These findings remained significant after adjusting for gender, body mass index, ethnicity, and potential ocular confounders. There were no significant differences in optic disc measures between groups of OSA severity. CONCLUSIONS Obstructive sleep apnea may be associated with preclinical thinning of the peripapillary RNFL in young adults. This suggests that an increased glaucoma risk already may be present in individuals with OSA since young adulthood. Long-term follow-up of this cohort will allow further optic disc changes in relationship to polysomnography parameters to be documented and associations with future glaucoma diagnosis to be explored.
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Affiliation(s)
- Samantha S Y Lee
- Lions Eye Institute, Centre for Ophthalmology and Visual Science, University of Western Australia, Perth, Australia
| | - Nigel McArdle
- Centre for Sleep Science, School of Human Sciences, University of Western Australia, Perth, Australia; West Australian Sleep Disorders Research Institute, Sir Charles Gairdner Hospital, Perth, Australia
| | - Paul G Sanfilippo
- Lions Eye Institute, Centre for Ophthalmology and Visual Science, University of Western Australia, Perth, Australia; Centre for Eye Research Australia, University of Melbourne, Royal Victorian Eye and Ear Hospital, Melbourne, Australia
| | - Seyhan Yazar
- Lions Eye Institute, Centre for Ophthalmology and Visual Science, University of Western Australia, Perth, Australia; MRC Human Genetics Unit, Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, United Kingdom
| | - Peter R Eastwood
- Centre for Sleep Science, School of Human Sciences, University of Western Australia, Perth, Australia; West Australian Sleep Disorders Research Institute, Sir Charles Gairdner Hospital, Perth, Australia
| | - Alex W Hewitt
- Lions Eye Institute, Centre for Ophthalmology and Visual Science, University of Western Australia, Perth, Australia; Centre for Eye Research Australia, University of Melbourne, Royal Victorian Eye and Ear Hospital, Melbourne, Australia; School of Medicine, Menzies Research Institute Tasmania, University of Tasmania, Hobart, Australia
| | - Qiang Li
- Lions Eye Institute, Centre for Ophthalmology and Visual Science, University of Western Australia, Perth, Australia
| | - David A Mackey
- Lions Eye Institute, Centre for Ophthalmology and Visual Science, University of Western Australia, Perth, Australia; Centre for Eye Research Australia, University of Melbourne, Royal Victorian Eye and Ear Hospital, Melbourne, Australia; School of Medicine, Menzies Research Institute Tasmania, University of Tasmania, Hobart, Australia.
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Correlation between structural progression in glaucoma and obstructive sleep apnea. Eye (Lond) 2019; 33:1459-1465. [PMID: 30971813 DOI: 10.1038/s41433-019-0430-2] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Revised: 01/22/2019] [Accepted: 03/14/2019] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND/OBJECTIVES To investigate the correlation between obstructive sleep apnea (OSA) severity and the structural and functional progression in patients with glaucoma. SUBJECTS/METHODS This retrospective comparative cohort study included subjects from the polysomnography database in Chang Gung Memorial Hospital between June 1, 2009, and June 1, 2017, by identifying patients who had received diagnoses of primary open-angle glaucoma (POAG), normal-tension glaucoma (NTG), or glaucoma suspect. Patients with follow-up time of <3 years and/or <3 consecutive reliable optical coherence tomography (OCT) or visual field (VF) tests were excluded. Progression of overall peripapillary retinal nerve fiber layer (RNFL) thickness on OCT scans and VF mean deviation (MD) or VF index (VFI) were determined through linear regression trend analysis. RESULTS Thirty-two patients were included. There was a trend to higher percentage of progression on RNFL thickness and VF in higher OSAS severity. After stratifying patients to no OSA/mild OSA (group 1) and moderate/severe OSA (group 2), group 2 exhibited a significantly higher percentage of RNFL thickness progression than did group 1 (64.7% vs 26.7%, P = 0.042). Multivariate Cox regression analysis showed that severe OSA had an 8.448-fold higher risk of RNFL thickness progression after age, sex, diabetes mellitus, hypertension, hyperlipidemia, and body mass index adjustment (95% confidence interval, 1.464-48.752, P = 0.017). CONCLUSIONS Severe OSA is significantly correlated with a higher risk of structural deterioration in patients with glaucoma.
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Lindemann F, Kuerten D, Koch E, Fuest M, Fischer C, Voss A, Plange N. Blood Pressure and Heart Rate Variability in Primary Open-Angle Glaucoma and Normal Tension Glaucoma. Curr Eye Res 2018; 43:1507-1513. [DOI: 10.1080/02713683.2018.1506036] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
| | - David Kuerten
- Department of Ophthalmology, RWTH Aachen University, Aachen, Germany
| | - Eva Koch
- Department of Ophthalmology, RWTH Aachen University, Aachen, Germany
| | - Matthias Fuest
- Department of Ophthalmology, RWTH Aachen University, Aachen, Germany
| | - Claudia Fischer
- Department of Medical Engineering and Biotechnology, Institue of Innovative Health Technologies (IHG), University of Applied Sciences Jena, Jena, Germany
| | - Andreas Voss
- Department of Medical Engineering and Biotechnology, Institue of Innovative Health Technologies (IHG), University of Applied Sciences Jena, Jena, Germany
| | - Niklas Plange
- Department of Ophthalmology, RWTH Aachen University, Aachen, Germany
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Fındık H, Çeliker M, Aslan MG, Çeliker FB, İnecikli MF, Dursun E, Okutucu M, Şahin Ü. The relation between retrobulbar blood flow and posterior ocular changes measured using spectral-domain optical coherence tomography in patients with obstructive sleep apnea syndrome. Int Ophthalmol 2018; 39:1013-1025. [PMID: 29594838 DOI: 10.1007/s10792-018-0892-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Accepted: 03/16/2018] [Indexed: 11/26/2022]
Abstract
PURPOSE To investigate the effect of posterior ocular hemodynamics on the retinal nerve fiber layer (RNFL), choroid thickness (CT) and central macular thickness (CMT) in patients with obstructive sleep apnea syndrome (OSAS) and to reveal the association with glaucomatous optic neuropathy. METHODS The research was planned as a prospective, randomized study. The ophthalmic, retinal and posterior ciliary artery pulsatile index (PI) and resistive index (RI) were measured by colored Doppler sonography. RNFL thickness, CMT and CT were then measured by spectral-domain optical coherence tomography. RESULTS Sixty subjects were divided into four groups-mild, moderate and severe OSAS and a control group. There were 16 subjects in the control group, 14 in the mild OSAS group, 15 in the moderate OSAS group and 15 in the severe OSAS group. Ophthalmic artery and central retinal artery PI and RI values of the OSAS patients did not show statistically significant difference than those of the control group, but posterior ciliary artery (PCA) PI and RI values were significantly higher. In addition, mean, superior and inferior RNFL thickness values were significantly lower than those in the control group. Moreover, the glaucoma prevalence of the OSAS patients in this study was 6.8% and all of these patients were in the severe OSAS group. CONCLUSION PI and RI values of the PCA, which supplies the optic nerve, show a linear increase as the apnea hypoxia index values in OSAS. As the grade of OSAS improves, this situation leads to a more serious ischemic optic neuropathy. Furthermore, the prevalence of glaucoma in this study is found to be higher in the severe OSAS group.
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Affiliation(s)
- Hüseyin Fındık
- Ophthalmology Department, Recep Tayyip Erdoğan University School of Medicine, 53200, Rize, Turkey.
| | - Metin Çeliker
- Otorhinolaryngology Department, Recep Tayyip Erdoğan University School of Medicine, Rize, Turkey
| | - Mehmet Gökhan Aslan
- Ophthalmology Department, Recep Tayyip Erdoğan University School of Medicine, 53200, Rize, Turkey
| | - Fatma Beyazal Çeliker
- Radiology Department, Recep Tayyip Erdoğan University School of Medicine, Rize, Turkey
| | - Mehmet Fatih İnecikli
- Radiology Department, Recep Tayyip Erdoğan University School of Medicine, Rize, Turkey
| | - Engin Dursun
- Otorhinolaryngology Department, Recep Tayyip Erdoğan University School of Medicine, Rize, Turkey
| | - Murat Okutucu
- Ophthalmology Department, Recep Tayyip Erdoğan University School of Medicine, 53200, Rize, Turkey
| | - Ünal Şahin
- Pulmonology Department, Recep Tayyip Erdoğan University School of Medicine, Rize, Turkey
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Cabrera M, Benavides AM, Hallaji NAE, Chung SA, Shapiro CM, Trope GE, Buys YM. Risk of obstructive sleep apnea in open-angle glaucoma versus controls using the STOP-Bang questionnaire. Can J Ophthalmol 2018; 53:76-80. [PMID: 29426446 DOI: 10.1016/j.jcjo.2017.07.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Revised: 06/27/2017] [Accepted: 07/04/2017] [Indexed: 10/18/2022]
Abstract
OBJECTIVE To compare the percentage of patients at risk for obstructive sleep apnea (OSA) in open-angle glaucoma (OAG) versus controls using the STOP-Bang questionnaire. METHODS This study used a cross-sectional survey. Patients with OAG and controls completed the STOP-Bang questionnaire-a validated tool to identify patients at high risk for OSA. Patients were considered at risk if they scored 3 or more points or at high risk for moderate/severe OSA if they scored 5 or more out of the maximum 8 points. Demographic information, medical history, and previous diagnosis of OSA were recorded. Details regarding the patients' glaucoma were obtained from their medical records. RESULTS A total of 437 patients with OAG and 441 controls were included. The mean STOP-Bang score was 3.01 ± 1.3 for the glaucoma group and 3.03 ± 1.4 for the control group (p = 0.92). There was no significant difference between the percentage of subjects considered at risk for OSA (62.7% OAG vs 59.4% controls, p = 0.37) or at high risk for moderate/severe OSA (12.6% OAG vs 16.5% controls, p = 0.1). Significantly more patients in the control group had a previous diagnosis of OSA (p = 0.01). More patients with OAG reported feeling tired compared with controls (p = 0.003). A risk/high risk for OSA was not associated with glaucoma severity, progression, intraocular pressure control, or glaucoma type. CONCLUSIONS Our results indicate that a risk or high risk for moderate/severe OSA as measured by the STOP-Bang questionnaire is not correlated with the presence or absence of glaucoma (regardless of the type), glaucoma severity, glaucoma progression, or IOP control.
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Affiliation(s)
- Mariana Cabrera
- Department of Ophthalmology and Vision Sciences, Toronto Western Hospital, University of Toronto, Toronto, Ont
| | - Ana María Benavides
- Department of Ophthalmology and Vision Sciences, Toronto Western Hospital, University of Toronto, Toronto, Ont
| | - Numan A E Hallaji
- Department of Ophthalmology and Vision Sciences, Toronto Western Hospital, University of Toronto, Toronto, Ont
| | - Sharon A Chung
- Sleep Research Laboratory, Department of Psychiatry, Toronto Western Hospital, University of Toronto, Toronto, Ont
| | - Colin M Shapiro
- Sleep Research Laboratory, Department of Psychiatry, Toronto Western Hospital, University of Toronto, Toronto, Ont
| | - Graham E Trope
- Department of Ophthalmology and Vision Sciences, Toronto Western Hospital, University of Toronto, Toronto, Ont
| | - Yvonne M Buys
- Department of Ophthalmology and Vision Sciences, Toronto Western Hospital, University of Toronto, Toronto, Ont.
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Antón-López A, Moreno-Montañés J, Duch-Tuesta S, Corsino Fernández-Vila P, García-Feijoo J, Millá-Griñó E, Muñoz-Negrete FJ, Pablo-Júlvez L, Rodríguez-Agirretxe I, Urcelay-Segura JL, Ussa-Herrera F, Villegas-Pérez MP. Lifestyles guide and glaucoma (II). Diet, supplements, drugs, sleep, pregnancy, and systemic hypertension. ARCHIVOS DE LA SOCIEDAD ESPANOLA DE OFTALMOLOGIA 2018; 93:76-86. [PMID: 29150215 DOI: 10.1016/j.oftal.2017.10.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Revised: 09/21/2017] [Accepted: 10/03/2017] [Indexed: 06/07/2023]
Abstract
PURPOSE To establish evidence based guidelines to advise patients on the relationship between habits, diet, certain circumstances, diseases and glaucoma. METHODS Review of all published articles on glaucoma and sports or other activities. The papers were classified according to the level of scientific evidence based on the Oxford Centre for Evidence-based Medicine classification. RESULTS The evidence on the relationship between diet or supplements and the incidence or progression of glaucoma is insufficient to make a general recommendation for glaucoma patients. Although some studies on normal tension glaucoma suggest that Gingko biloba could reduce glaucoma progression, the results do not allow a general recommendation for all these patients. Similarly, the evidence on the usefulness of vitamin supplements is not conclusive. The studies on smoking do not clearly demonstrate the relationship between this habit and incidence of glaucoma. Marihuana is not a useful treatment for glaucoma. Although the results on the relationship between sleep apnoea and glaucoma are heterogeneous, it is recommended that patients with moderate to intense apnoea are tested for glaucoma. Pregnancy does not influence the course of the disease, but several hypotensive drugs may be harmful for the foetus. Nocturnal systemic hypotension is a risk factor for glaucoma progression. CONCLUSIONS Certain habits, circumstances, or diseases may have an influence on the onset or progression of glaucoma. It is important to have adequate information about the scientific evidence in the publications in order to properly advise patients.
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Affiliation(s)
- A Antón-López
- Institut Català de Retina, Universitat Internacional de Catalunya, Parc de Salut Mar, Barcelona, España.
| | | | | | | | - J García-Feijoo
- Hospital Clínico San Carlos, Universidad Complutense, Madrid, España
| | - E Millá-Griñó
- Hospital Clínic, Universitat de Barcelona, Barcelona, España
| | - F J Muñoz-Negrete
- Hospital Universitario Ramón y Cajal, Universidad de Alcalá, IRYCIS, Alcalá de Henares, Madrid, España
| | - L Pablo-Júlvez
- Hospital Miguel Servet, Universidad de Zaragoza, Zaragoza, España
| | | | | | - F Ussa-Herrera
- Instituto de Oftalmobiología Aplicada, Valladolid, España
| | - M P Villegas-Pérez
- Hospital General Universitario Reina Sofía, Universidad de Murcia, Murcia, España
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Peripapillary retina nerve fiber layer thickness and macular ganglion cell layer thickness in patients with obstructive sleep apnea syndrome. Eye (Lond) 2017; 32:701-706. [PMID: 29271421 DOI: 10.1038/eye.2017.279] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Accepted: 09/12/2017] [Indexed: 12/30/2022] Open
Abstract
PurposeTo investigate the association of the severity of obstructive sleep apnea syndrome (OSAS) with peripapillary retinal nerve fiber layer (RNFL) and macular ganglion cell-inner plexiform layer (GC-IPL).Materials and methodsIn this cross-sectional study, 145 patients with OSAS and 40 healthy subjects were enrolled. OSAS patients were further divided into mild (n=50), moderate (n=36), and severe (n=59) OSAS groups according to their apnea-hypopnea index (AHI) values. Spectral-domain optical coherence tomography was used to measure the peripapillary RNFL and GC-IPL thicknesses.ResultsThere was no statistical difference between the RNFL thickness in OSAS and control groups (P>0.05). Both average GC-IPL and minimum GC-IPL thicknesses were significantly lower in severe OSAS group than in healthy controls (P<0.05 for both). There was a significant negative correlation between AHI and both average GC-IPL (r=-0.232, P=0.005) and minimum GC-IPL (r=-0.233, P=0.005) thicknesses.ConclusionsOur study results suggest that although RNFL thickness did not differ significantly between OSAS and control groups, ganglion cell layer thickness in OSAS patients is much lower than in healthy population. Ganglion cell thickness showed a significant correlation with the severity of OSAS.
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Yazgan S, Erboy F, Celik HU, Ornek T, Ugurbas SH, Kokturk F, Ayar O, Akdemir MO, Celik E. Peripapillary Choroidal Thickness and Retinal Nerve Fiber Layer in Untreated Patients with Obstructive Sleep Apnea-Hypopnea Syndrome: A Case-Control Study. Curr Eye Res 2017; 42:1552-1560. [PMID: 28910165 DOI: 10.1080/02713683.2016.1266661] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
PURPOSE To evaluate peripapillary choroidal thickness (PPCT), central macular choroidal thickness (CMCT), and retinal nerve fiber layer (RNFL) thickness in untreated patients with obstructive sleep apnea-hypopnea syndrome (OSAHS). METHODS This prospective, randomized, and comparative study was conducted in a university ophthalmology clinic. 106 eyes of 106 patients with OSAHS and 44 eyes of 44 healthy individuals were evaluated in this study. Only right eyes were evaluated. The patients with OSAHS were divided into three groups as mild (group 1), moderate (group 2), and severe (group 3) according to apnea-hypopnea index. The PPCT, CMCT, and RNFL measurements were performed by using spectral domain optical coherence tomography with enhanced depth imaging technique. The main parameters assessed were PPCT-Temporal, PPCT-Superior, PPCT-Nasal, PPCT-Inferior quadrants, CMCT, and RNFL thicknesses. RESULTS The PPCT of all quadrants was significantly thicker in the control group compared with the moderate and severe subgroups of OSAHS (p < 0.05). The PPCT-Superior and PPCT-Temporal were significantly thinner in the mild subgroup compared with the control group (p = 0.003 and p = 0.028, respectively). There was no difference between the control and mild groups regarding the RNFL thicknesses except nasal RNFL and inferotemporal RNFL which are thinner in the mild group. The RNFL thicknesses of all quadrants were significantly thicker in the control group compared with moderate and severe subgroups (p < 0.05). The CMCT was significantly thicker in the control group compared with all subgroups of OSAHS (p < 0.05). CONCLUSIONS In OSAHS patients, PPCT, CMCT, and RNFL were significantly thinner compared with the control group. These results may explain why OSAHS patients are prone to normotensive glaucoma.
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Affiliation(s)
- Serpil Yazgan
- a Medical Faculty, Department of Ophthalmology , Bulent Ecevit University , Zonguldak , Turkey
| | - Fatma Erboy
- b Medical Faculty, Department of Ophthalmology , Medeniyet University , Istanbul , Turkey
| | - Haci Ugur Celik
- c Medical Faculty, Department of Thoracic Medicine , Bulent Ecevit University , Zonguldak , Turkey
| | - Tacettin Ornek
- b Medical Faculty, Department of Ophthalmology , Medeniyet University , Istanbul , Turkey
| | - Suat Hayri Ugurbas
- a Medical Faculty, Department of Ophthalmology , Bulent Ecevit University , Zonguldak , Turkey
| | - Firuzan Kokturk
- d Medical Faculty, Department of Biostastics , Bülent Ecevit University , Zonguldak , Turkey
| | - Orhan Ayar
- a Medical Faculty, Department of Ophthalmology , Bulent Ecevit University , Zonguldak , Turkey
| | - Mehmet Orcun Akdemir
- a Medical Faculty, Department of Ophthalmology , Bulent Ecevit University , Zonguldak , Turkey
| | - Erkan Celik
- a Medical Faculty, Department of Ophthalmology , Bulent Ecevit University , Zonguldak , Turkey
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Shiba T, Takahashi M, Muramatsu R, Matsumoto T, Hori Y. Evaluation of ocular surface tear dynamics patients with obstructive sleep apnea syndrome. Sleep Biol Rhythms 2017. [DOI: 10.1007/s41105-017-0119-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Mentek M, Aptel F, Godin-Ribuot D, Tamisier R, Pepin JL, Chiquet C. Diseases of the retina and the optic nerve associated with obstructive sleep apnea. Sleep Med Rev 2017; 38:113-130. [PMID: 29107469 DOI: 10.1016/j.smrv.2017.05.003] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2016] [Revised: 03/27/2017] [Accepted: 05/19/2017] [Indexed: 10/19/2022]
Abstract
Many associations between ocular disorders and obstructive sleep apnea (OSA) have been studied, such as nonarteritic anterior ischemic optic neuropathy, glaucoma, papilledema, retinal vein occlusion, eyelid hyperlaxity, lower-eyelid ectropion and recurrent corneal erosions. The objective of this review is to synthetize the possible vascular disorders of the retina and the optic nerve associated with sleep apnea patients and to discuss the underlying pathophysiological hypotheses. Main mechanisms involved in the ocular complications of OSA are related to intermittent hypoxia, sympathetic system activation, oxidant stress, and deleterious effects of endothelin 1. The main evidence-based medicine data suggest that OSA should be screened in patients with ischemic optic neuropathy and diabetic retinopathy. The effect of OSA treatment and emerging therapies are discussed.
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Affiliation(s)
- Marielle Mentek
- Grenoble Alpes University, HP2 Laboratory, INSERM U1042, Grenoble, France
| | - Florent Aptel
- Grenoble Alpes University, HP2 Laboratory, INSERM U1042, Grenoble, France; Department of Ophthalmology, University Hospital of Grenoble, Grenoble, France
| | - Diane Godin-Ribuot
- Grenoble Alpes University, HP2 Laboratory, INSERM U1042, Grenoble, France
| | - Renaud Tamisier
- Grenoble Alpes University, HP2 Laboratory, INSERM U1042, Grenoble, France; Pôle Thorax et Vaisseaux, University Hospital of Grenoble, Grenoble, France
| | - Jean-Louis Pepin
- Grenoble Alpes University, HP2 Laboratory, INSERM U1042, Grenoble, France; Pôle Thorax et Vaisseaux, University Hospital of Grenoble, Grenoble, France
| | - Christophe Chiquet
- Grenoble Alpes University, HP2 Laboratory, INSERM U1042, Grenoble, France; Department of Ophthalmology, University Hospital of Grenoble, Grenoble, France.
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Long-Term Clinical Course of Normal-Tension Glaucoma: 20 Years of Experience. J Ophthalmol 2017; 2017:2651645. [PMID: 28484644 PMCID: PMC5397724 DOI: 10.1155/2017/2651645] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Accepted: 03/02/2017] [Indexed: 11/17/2022] Open
Abstract
Purpose. The purpose of this study was to investigate the long-term clinical course of NTG patients who initiated intraocular pressure- (IOP-) lowering therapy. Methods. The present study included 72 normal-tension glaucoma (NTG) patients. The mean deviation (MD) was measured with visual fields. Nocturnal hypotension with weighted standard deviation (wSD) was determined by 24-hour ambulatory blood pressure monitoring. To identify risk factors for NTG progression, linear logistic regression analysis was employed. Results. The mean follow-up period was 21.2 ± 1.1 years. The mean MD progression rate was −0.28 ± 0.24 dB/year. The mean ocular perfusion pressure (OPP) was 52.1 ± 5.9 mmHg. The mean wSD was 14.5 ± 2.2. In the univariate model, disc hemorrhage (RR 7.12; P = 0.004), IOP reduction rate (RR 2.12; P = 0.045), and OPP (RR 1.94; P = 0.027) were associated with glaucomatous visual field progression. However, in the multivariate model, the IOP reduction rate (RR 2.45; P = 0.048) and OPP (RR 2.02; P = 0.004) were detected to be significant factors associated with progression. Conclusions. The mean rate of visual field progression was −0.28 dB/year in NTG patients treated with medical therapy. The IOP reduction rate and OPP were associated with glaucomatous visual field progression.
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Beltran-Agulló L, Buys YM, Jahan F, Shapiro CM, Flanagan JG, Cheng J, Trope GE. Twenty-four hour intraocular pressure monitoring with the SENSIMED Triggerfish contact lens: effect of body posture during sleep. Br J Ophthalmol 2017; 101:1323-1328. [PMID: 28270491 DOI: 10.1136/bjophthalmol-2016-308710] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Revised: 10/28/2016] [Accepted: 02/08/2017] [Indexed: 11/04/2022]
Abstract
PURPOSE To determine the difference in relative intraocular pressure (IOP) measured by the SENSIMED Triggerfish (TF) contact lens in flat compared with 30° head-up sleeping positions in patients with progressive primary open-angle glaucoma or normotensive glaucoma, based on recent or recurrent disc haemorrhage. DESIGN Prospective, randomised, cross-over, open-label comparative study. METHODS IOP was monitored for 24 hours using TF on two separate sessions. Patients were randomly assigned to sleep flat one night and 30° head-up the other. Outputs in arbitrary units were obtained. Sleep and wake periods were defined as 22:00-6:00 and 8:00-22:00, respectively. Mean TF values during sleep and wake periods and wake-sleep and sleep-wake slopes were calculated for each session. TF output signals were compared between positions. RESULTS Twelve subjects completed the study. Significant mean positive slopes were noted during the sleep period for both positions (p<0.01). No significant differences in the TF mean values were observed between positions (p=0.51). Six (54%) subjects had mean TF values significantly higher during the flat supine session, while four (36%) subjects had higher values during the head-up session. A significant increase in Goldmann IOP (p=0.001) and TF (p=0.02) measurements were observed after 24 hours of TF wear ('drift phenomenon'). CONCLUSIONS Sleep position affects IOP as measured by TF in some patients with progressive glaucoma. The upward drift in TF output detected in >50% of the subjects requires further investigation to establish whether the increased output values over time are an artefact induced by the TF or a real change in IOP. TRIAL REGISTRATION NUMBER NCT01351779.
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Affiliation(s)
- Laura Beltran-Agulló
- Department of Ophthalmology and Vision Sciences, Toronto Western Hospital, Toronto, Ontario, Canada.,Institut Català de la Retina, Barcelona, Spain
| | - Yvonne M Buys
- Department of Ophthalmology and Vision Sciences, Toronto Western Hospital, Toronto, Ontario, Canada
| | - Farzana Jahan
- Sleep Research Unit, Toronto Western Hospital, Toronto, Ontario, Canada
| | - Colin M Shapiro
- Department of Ophthalmology and Vision Sciences, Toronto Western Hospital, Toronto, Ontario, Canada
| | - John G Flanagan
- Department of Ophthalmology and Vision Sciences, Toronto Western Hospital, Toronto, Ontario, Canada.,School of Optometry and Vision Science, University of Waterloo, Waterloo, Ontario, Canada
| | - Jason Cheng
- Department of Ophthalmology and Vision Sciences, Toronto Western Hospital, Toronto, Ontario, Canada
| | - Graham E Trope
- Department of Ophthalmology and Vision Sciences, Toronto Western Hospital, Toronto, Ontario, Canada
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