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Debele TA, Mount ZF, Yuan Y, Kao WWY, Park YC. The Effects of ROCK Inhibitor on Prevention of Dexamethasone-Induced Glaucoma Phenotype in Human Trabecular Meshwork Cells. Transl Vis Sci Technol 2023; 12:4. [PMID: 38051267 PMCID: PMC10702786 DOI: 10.1167/tvst.12.12.4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 11/07/2023] [Indexed: 12/07/2023] Open
Abstract
Purpose This study investigated the effects of dexamethasone (Dex) on human trabecular meshwork (TM) cells, a model of glucocorticoid-induced glaucoma, and evaluated the impact of ripasudil (Rip) as a co-delivery or sequential dosing strategy. Methods In vitro experiments were conducted to assess the effects of Dex and Rip on TM cells. Confocal microscopy was used to evaluate the impact of Dex and Rip on F-actin staining signals. Contractility of the TM cells upon Dex and Rip treatment mimicking co-delivery and sequential delivery was quantified using collagen gel contraction assay. Transepithelial electrical resistance (TEER) values and fluorescein isothiocyanate (FITC)-dextran permeability were also measured to assess the impact of Dex and Rip on TM cells. Results Dex and Rip did not exhibit cytotoxicity at the maximum tested concentration (20 µM). Dex-treated TM cells exhibited higher F-actin staining signals compared to controls, which were reduced when co-treated with Rip. Rip inhibited Dex-induced collagen gel contraction activity in both co-delivery and sequential treatments. Dex resulted in increased TEER values as the dose increased, whereas TEER values were maintained when co-treated with Rip. Conclusions Co-delivery of Rip has the potential to prevent glaucoma symptoms when patients are treated with Dex. This study highlights the importance of identifying strategies to reduce the side effects of prolonged use of glucocorticoids, such as Dex, in the treatment of various diseases. Translational Relevance This study demonstrates the potential of co-delivering ripasudil with dexamethasone to mitigate glucocorticoid-induced ocular hypertension and a secondary glaucoma that resembles primary open-angle glaucoma, providing insights for the development of novel preventive strategies in clinical care.
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Affiliation(s)
- Tilahun Ayane Debele
- Department of Chemical and Environmental Engineering, College of Engineering and Applied Science, University of Cincinnati, Cincinnati, OH, USA
| | - Zachary F. Mount
- Department of Chemical and Environmental Engineering, College of Engineering and Applied Science, University of Cincinnati, Cincinnati, OH, USA
| | - Yong Yuan
- Department of Ophthalmology, College of Medicine, University of Cincinnati, OH, USA
| | - Winston W.-Y. Kao
- Department of Ophthalmology, College of Medicine, University of Cincinnati, OH, USA
| | - Yoonjee C. Park
- Department of Chemical and Environmental Engineering, College of Engineering and Applied Science, University of Cincinnati, Cincinnati, OH, USA
- Department of Ophthalmology, College of Medicine, University of Cincinnati, OH, USA
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2
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Lee SY, Tseng VL, Kitayama K, Avallone TJ, Yu F, Pan D, Caprioli J, Coleman AL. Associations Between Niacin Intake and Glaucoma in the National Health and Nutrition Examination Survey. J Glaucoma 2023; 32:443-450. [PMID: 36946914 DOI: 10.1097/ijg.0000000000002216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Accepted: 03/04/2023] [Indexed: 03/23/2023]
Abstract
PRCIS This study examined the association between dietary niacin intake and glaucoma in the 2005-2008 National Health and Nutrition Examination Survey (NHANES). Increased niacin intake was associated with lower odds of glaucoma overall and among women. PURPOSE To examine the association between dietary niacin intake and glaucoma in the 2005-2008 NHANES. MATERIALS AND METHODS This cross-sectional study included adult participants of the 2005-2008 NHANES. The exposure was dietary niacin intake, which was examined as a continuous and categorical variable. The outcome was glaucoma as defined by regraded disc images. Covariates included age, sex, race/ethnicity, education level, income, body mass index, smoking status, alcohol use, cardiovascular disease, diabetes mellitus, daily energy intake, vitamin B2 and B6 consumption, and macular degeneration. Adjusting for all covariates, logistic regression was performed to examine the association between niacin intake and glaucoma in the overall population and stratified by sex. RESULTS The weighted population included 5371 individuals (109,734,124 weighted), of whom 55 (1.0%) had glaucoma. Each 1 mg increase in niacin intake was associated with a 6% decreased odds of glaucoma odds [adjusted odds ratio (aOR) = 0.94, 95% CI = 0.90, 0.98]. Among women, increased niacin intake was associated with decreased odds of glaucoma both with niacin as a continuous (aOR = 0.89, 95% CI = 0.80, 0.99 per 1 mg increase in niacin intake) and binary variable (aOR = 0.35, 95% CI = 0.14, 0.90 for higher vs lower niacin intake). CONCLUSIONS In the 2005-2008 NHANES population, higher levels of niacin intake were associated with decreased odds of glaucoma overall and in women. Further studies are needed to examine the potential protective effects of niacin on glaucoma risk.
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Affiliation(s)
- Samuel Y Lee
- Department of Ophthalmology, Center for Community Outreach and Policy, Stein and Doheny Eye Institutes, David Geffen School of Medicine at UCLA
| | - Victoria L Tseng
- Department of Ophthalmology, Center for Community Outreach and Policy, Stein and Doheny Eye Institutes, David Geffen School of Medicine at UCLA
| | - Ken Kitayama
- Department of Ophthalmology, Center for Community Outreach and Policy, Stein and Doheny Eye Institutes, David Geffen School of Medicine at UCLA
- Department of Epidemiology
| | | | - Fei Yu
- Department of Ophthalmology, Center for Community Outreach and Policy, Stein and Doheny Eye Institutes, David Geffen School of Medicine at UCLA
- Department of Biostatistics, UCLA Fielding School of Public Health, Los Angeles
| | - Deyu Pan
- Department of Ophthalmology, Center for Community Outreach and Policy, Stein and Doheny Eye Institutes, David Geffen School of Medicine at UCLA
| | - Joseph Caprioli
- Department of Ophthalmology, Center for Community Outreach and Policy, Stein and Doheny Eye Institutes, David Geffen School of Medicine at UCLA
| | - Anne L Coleman
- Department of Ophthalmology, Center for Community Outreach and Policy, Stein and Doheny Eye Institutes, David Geffen School of Medicine at UCLA
- Department of Epidemiology
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3
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Wu Y, Xie Y, Yuan Y, Xiong R, Hu Y, Ning K, Ha J, Wang W, Han X, He M. The Mediterranean Diet and Age-Related Eye Diseases: A Systematic Review. Nutrients 2023; 15:2043. [PMID: 37432187 PMCID: PMC10181476 DOI: 10.3390/nu15092043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Revised: 04/18/2023] [Accepted: 04/21/2023] [Indexed: 07/12/2023] Open
Abstract
The Mediterranean diet (MD) is a healthy diet pattern that can prevent chronic age-related diseases, especially age-related eye diseases (AREDs) including cataract, glaucoma, age-related macular degeneration (AMD), diabetic retinopathy (DR) and dry eye syndrome (DES). In this study, we systematically reviewed studies in the literature that had reported associations between adherence to the MD and the five above-mentioned AREDs. Randomized controlled trials as well as prospective and retrospective observational studies were included; 1164 studies were identified, of which 1, 2, 9, 2 and 4 studies met our eligibility criteria for cataract, glaucoma, AMD, DR, and DES, respectively. According to these studies, higher MD adherence was associated with reduced risks of incident DR, incident AMD and progression to late AMD, but whether early and neovascular AMD could be alleviated remained to be debated. The results regarding the effects of the MD on DES were mixed, with three studies reporting an associations between MD and decreased severity or incidence of DES, whereas one study reported the opposite. No significant associations were observed between the MD and cataract or glaucoma. Generally, convincing evidence suggested a protective effect of the MD against AMD and DR. However, the evidence for cataract, glaucoma, and DES was less conclusive, and high-quality studies are needed for comprehensive evaluations of the potential benefits of MD on these eye diseases.
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Affiliation(s)
- Yi Wu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangdong Provincial Clinical Research Center for Ocular Diseases, Guangzhou 510060, China; (Y.W.); (Y.Y.); (R.X.); (M.H.)
| | - Ye Xie
- Zhongshan Medical School, Sun Yat-sen University, Guangzhou 510080, China; (Y.X.); (Y.H.)
| | - Yixiong Yuan
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangdong Provincial Clinical Research Center for Ocular Diseases, Guangzhou 510060, China; (Y.W.); (Y.Y.); (R.X.); (M.H.)
| | - Ruilin Xiong
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangdong Provincial Clinical Research Center for Ocular Diseases, Guangzhou 510060, China; (Y.W.); (Y.Y.); (R.X.); (M.H.)
| | - Yuxin Hu
- Zhongshan Medical School, Sun Yat-sen University, Guangzhou 510080, China; (Y.X.); (Y.H.)
| | - Kang Ning
- Department of Head and Neck Surgery, Sun Yat-sen University Cancer Center, Guangzhou 510060, China;
- Collaborative Innovation Center for Cancer Medicine, State Key Laboratory of Oncology in Southern China, Guangzhou 510060, China
| | - Jason Ha
- Centre for Eye Research Australia, Royal Victorian Eye and Ear Hospital, Melbourne, VIC 3002, Australia;
| | - Wei Wang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangdong Provincial Clinical Research Center for Ocular Diseases, Guangzhou 510060, China; (Y.W.); (Y.Y.); (R.X.); (M.H.)
| | - Xiaotong Han
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangdong Provincial Clinical Research Center for Ocular Diseases, Guangzhou 510060, China; (Y.W.); (Y.Y.); (R.X.); (M.H.)
| | - Mingguang He
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangdong Provincial Clinical Research Center for Ocular Diseases, Guangzhou 510060, China; (Y.W.); (Y.Y.); (R.X.); (M.H.)
- Centre for Eye Research Australia, Royal Victorian Eye and Ear Hospital, Melbourne, VIC 3002, Australia;
- Ophthalmology, Department of Surgery, University of Melbourne, Melbourne, VIC 3010, Australia
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Abstract
Cataract and glaucoma are the major causes of severe visual loss and blindness in older adults. This review article describes the currently available basic and clinical evidence regarding vitamin E protection against these eye diseases in the chronologic order of the publications. Experimental evidence has suggested both that oxidative stress due to the accumulation of free radicals plays a role in the pathogenesis of cataracts and glaucoma and that the process can be prevented or ameliorated by vitamin E. The results of observational studies have been inconsistent regarding the association between blood vitamin E levels and the risk of age-related cataract or glaucoma. Despite the encouraging effects of vitamin E from case series, case-control studies, and cross-sectional studies in humans, the effects on cataract formation and/or progression have not been consistent among prospective and randomized control studies; few randomized control studies have tested the effects of supplemental vitamin E on glaucoma development or progression. Given the high prevalence of cataract and glaucoma in the elderly population, even a modest reduction in the risk for these eye diseases would potentially have a substantial public health impact; however, the potential benefits of vitamin E on cataract or glaucoma remain inconclusive and need to be carefully considered.
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Affiliation(s)
- Masaki Tanito
- Department of Ophthalmology, Shimane University Faculty of Medicine, 89-1 Enya, Izumo, Shimane, 693-8501, Japan.
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5
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Geva M, Gershoni-Emek N, Naia L, Ly P, Mota S, Rego AC, Hayden MR, Levin LA. Neuroprotection of retinal ganglion cells by the sigma-1 receptor agonist pridopidine in models of experimental glaucoma. Sci Rep 2021; 11:21975. [PMID: 34753986 PMCID: PMC8578336 DOI: 10.1038/s41598-021-01077-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Accepted: 10/20/2021] [Indexed: 12/21/2022] Open
Abstract
Optic neuropathies such as glaucoma are characterized by retinal ganglion cell (RGC) degeneration and death. The sigma-1 receptor (S1R) is an attractive target for treating optic neuropathies as it is highly expressed in RGCs, and its absence causes retinal degeneration. Activation of the S1R exerts neuroprotective effects in models of retinal degeneration. Pridopidine is a highly selective and potent S1R agonist in clinical development. We show that pridopidine exerts neuroprotection of retinal ganglion cells in two different rat models of glaucoma. Pridopidine strongly binds melanin, which is highly expressed in the retina. This feature of pridopidine has implications to its ocular distribution, bioavailability, and effective dose. Mitochondria dysfunction is a key contributor to retinal ganglion cell degeneration. Pridopidine rescues mitochondrial function via activation of the S1R, providing support for the potential mechanism driving its neuroprotective effect in retinal ganglion cells.
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Affiliation(s)
| | | | - Luana Naia
- CNC-Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal
- Department of Neurobiology, Care Science and Society, Karolinska Institutet, Stockholm, Sweden
| | - Philip Ly
- The Centre for Molecular Medicine and Therapeutics, BC Children's Hospital Research Institute, University of British Columbia, Vancouver, BC, Canada
| | - Sandra Mota
- CNC-Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal
| | - Ana Cristina Rego
- CNC-Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal
- FMUC-Faculty of Medicine, University of Coimbra, Coimbra, Portugal
| | - Michael R Hayden
- Prilenia Therapeutics, Herzliya, Israel
- The Centre for Molecular Medicine and Therapeutics, BC Children's Hospital Research Institute, University of British Columbia, Vancouver, BC, Canada
| | - Leonard A Levin
- Department of Ophthalmology and Visual Sciences, McGill University, Montreal, Canada.
- Department of Neurology and Neurosurgery, McGill University, Montreal, Canada.
- Montreal Neurological Institute, McGill University, Montreal, Canada.
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Lazzara F, Amato R, Platania CBM, Conti F, Chou TH, Porciatti V, Drago F, Bucolo C. 1α,25-dihydroxyvitamin D 3 protects retinal ganglion cells in glaucomatous mice. J Neuroinflammation 2021; 18:206. [PMID: 34530842 PMCID: PMC8444391 DOI: 10.1186/s12974-021-02263-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 08/30/2021] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Glaucoma is an optic neuropathy characterized by loss of function and death of retinal ganglion cells (RGCs), leading to irreversible vision loss. Neuroinflammation is recognized as one of the causes of glaucoma, and currently no treatment is addressing this mechanism. We aimed to investigate the anti-inflammatory and neuroprotective effects of 1,25(OH)2D3 (1α,25-dihydroxyvitamin D3, calcitriol), in a genetic model of age-related glaucomatous neurodegeneration (DBA/2J mice). METHODS DBA/2J mice were randomized to 1,25(OH)2D3 or vehicle treatment groups. Pattern electroretinogram, flash electroretinogram, and intraocular pressure were recorded weekly. Immunostaining for RBPMS, Iba-1, and GFAP was carried out on retinal flat mounts to assess retinal ganglion cell density and quantify microglial and astrocyte activation, respectively. Molecular biology analyses were carried out to evaluate retinal expression of pro-inflammatory cytokines, pNFκB-p65, and neuroprotective factors. Investigators that analysed the data were blind to experimental groups, which were unveiled after graph design and statistical analysis, that were carried out with GraphPad Prism. Several statistical tests and approaches were used: the generalized estimated equations (GEE) analysis, t-test, and one-way ANOVA. RESULTS DBA/2J mice treated with 1,25(OH)2D3 for 5 weeks showed improved PERG and FERG amplitudes and reduced RGCs death, compared to vehicle-treated age-matched controls. 1,25(OH)2D3 treatment decreased microglial and astrocyte activation, as well as expression of inflammatory cytokines and pNF-κB-p65 (p < 0.05). Moreover, 1,25(OH)2D3-treated DBA/2J mice displayed increased mRNA levels of neuroprotective factors (p < 0.05), such as BDNF. CONCLUSIONS 1,25(OH)2D3 protected RGCs preserving retinal function, reducing inflammatory cytokines, and increasing expression of neuroprotective factors. Therefore, 1,25(OH)2D3 could attenuate the retinal damage in glaucomatous patients and warrants further clinical evaluation for the treatment of optic neuropathies.
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Affiliation(s)
- Francesca Lazzara
- Department of Biomedical and Biotechnological Sciences, Section of Pharmacology, School of Medicine, University of Catania, Catania, Italy
- Bascom Palmer Eye Institute, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Rosario Amato
- Bascom Palmer Eye Institute, Miller School of Medicine, University of Miami, Miami, FL, USA
- Department of Biology, University of Pisa, Pisa, Italy
| | - Chiara Bianca Maria Platania
- Department of Biomedical and Biotechnological Sciences, Section of Pharmacology, School of Medicine, University of Catania, Catania, Italy
| | - Federica Conti
- Department of Biomedical and Biotechnological Sciences, Section of Pharmacology, School of Medicine, University of Catania, Catania, Italy
| | - Tsung-Han Chou
- Bascom Palmer Eye Institute, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Vittorio Porciatti
- Bascom Palmer Eye Institute, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Filippo Drago
- Department of Biomedical and Biotechnological Sciences, Section of Pharmacology, School of Medicine, University of Catania, Catania, Italy
- Center for Research in Ocular Pharmacology - CERFO, University of Catania, Catania, Italy
| | - Claudio Bucolo
- Department of Biomedical and Biotechnological Sciences, Section of Pharmacology, School of Medicine, University of Catania, Catania, Italy.
- Center for Research in Ocular Pharmacology - CERFO, University of Catania, Catania, Italy.
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Kumar S, Ramakrishnan H, Viswanathan S, Akopian A, Bloomfield SA. Neuroprotection of the Inner Retina Also Prevents Secondary Outer Retinal Pathology in a Mouse Model of Glaucoma. Invest Ophthalmol Vis Sci 2021; 62:35. [PMID: 34297802 PMCID: PMC8300060 DOI: 10.1167/iovs.62.9.35] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Accepted: 06/24/2021] [Indexed: 12/02/2022] Open
Abstract
Purpose We examined structural and functional changes in the outer retina of a mouse model of glaucoma. We examined whether these changes are a secondary consequence of damage in the inner retina and whether neuroprotection of the inner retina also prevents outer retinal changes. Methods We used an established microbead occlusion model of glaucoma whereby intraocular pressure (IOP) was elevated. Specific antibodies were used to label rod and cone bipolar cells (BCs), horizontal cells (HCs), and retinal ganglion cells (RGCs), as well as synaptic components in control and glaucomatous eyes, to assess structural damage and cell loss. ERG recordings were made to assess outer retina function. Results We found structural and functional damage of BCs, including significant cell loss and dendritic/axonal remodeling of HCs, following IOP elevation. The first significant loss of both BCs occurred at 4 to 5 weeks after microbead injection. However, early changes in the dendritic structure of RGCs were observed at 3 weeks, but significant changes in the rod BC axon terminal structure were not seen until 4 weeks. We found that protection of inner retinal neurons in glaucomatous eyes by pharmacological blockade of gap junctions or genetic ablation of connexin 36 largely prevented outer retinal damage. Conclusions Together, our results indicate that outer retinal impairments in glaucoma are a secondary sequalae of primary damage in the inner retina. The finding that neuroprotection of the inner retina can also prevent outer retinal damage has important implications with regard to the targets for effective neuroprotective therapy.
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Affiliation(s)
- Sandeep Kumar
- Department of Biological and Vision Sciences, State University of New York College of Optometry, New York, New York, United States
| | - Hariharasubramanian Ramakrishnan
- Department of Biological and Vision Sciences, State University of New York College of Optometry, New York, New York, United States
| | - Suresh Viswanathan
- Department of Biological and Vision Sciences, State University of New York College of Optometry, New York, New York, United States
| | - Abram Akopian
- Department of Biological and Vision Sciences, State University of New York College of Optometry, New York, New York, United States
| | - Stewart A. Bloomfield
- Department of Biological and Vision Sciences, State University of New York College of Optometry, New York, New York, United States
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Kho A, Niederer R, Wilson G. Exploring the impact of public health campaigns for glaucoma and macular degeneration utilising Google Trends data in a New Zealand setting. N Z Med J 2020; 133:10-15. [PMID: 32379735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
AIM To evaluate the impact of public health campaigns for glaucoma and age-related macular degeneration compared to breast cancer and prostate cancer using Google Trends data. METHODS Relative search volumes for the terms 'glaucoma', 'macular degeneration', 'breast cancer' and 'prostate cancer' for New Zealand from October 2008-September 2018 were obtained via Google Trends. Intervention time-series analyses were used to compare observations before and after each awareness campaign. RESULTS Of the campaigns occurring in the 10-year study period, statistically significant increases in search behaviour were observed for breast cancer (45%, p<0.01), prostate cancer (32%, p<0.01) and glaucoma (16%, p<0.01). Macular degeneration search behaviour increased on average 14% but this was not statistically significant (p>0.1), although increased activity (294%) was observed in December 2016, corresponding with the release of a report, public meeting and media release on the socioeconomic impact of macular degeneration. CONCLUSIONS Glaucoma and macular degeneration search behaviour in New Zealand has a low impact following health awareness campaigns in comparison to breast and prostate cancer. This implies there is scope for improvement with these campaigns and a large increase in macular degeneration activity following a public meeting, and report release suggests that increased funding may increase impact. This study also highlights the utility of internet data for cost-effective monitoring of public interest in health issues.
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Affiliation(s)
- Adeline Kho
- Registrar, Department of Ophthalmology, Waikato District Health Board, Hamilton
| | - Rachael Niederer
- Ophthalmologist, Department of Ophthalmology, Auckland District Health Board, Auckland
| | - Graham Wilson
- Ophthalmologist, Department of Ophthalmology, Tairawhiti District Health Board, Gisborne
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9
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Tanigawa Y, Wainberg M, Karjalainen J, Kiiskinen T, Venkataraman G, Lemmelä S, Turunen JA, Graham RR, Havulinna AS, Perola M, Palotie A, Daly MJ, Rivas MA. Rare protein-altering variants in ANGPTL7 lower intraocular pressure and protect against glaucoma. PLoS Genet 2020; 16:e1008682. [PMID: 32369491 PMCID: PMC7199928 DOI: 10.1371/journal.pgen.1008682] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Accepted: 02/18/2020] [Indexed: 12/17/2022] Open
Abstract
Protein-altering variants that are protective against human disease provide in vivo validation of therapeutic targets. Here we use genotyping data from UK Biobank (n = 337,151 unrelated White British individuals) and FinnGen (n = 176,899) to conduct a search for protein-altering variants conferring lower intraocular pressure (IOP) and protection against glaucoma. Through rare protein-altering variant association analysis, we find a missense variant in ANGPTL7 in UK Biobank (rs28991009, p.Gln175His, MAF = 0.8%, genotyped in 82,253 individuals with measured IOP and an independent set of 4,238 glaucoma patients and 250,660 controls) that significantly lowers IOP (β = -0.53 and -0.67 mmHg for heterozygotes, -3.40 and -2.37 mmHg for homozygotes, P = 5.96 x 10-9 and 1.07 x 10-13 for corneal compensated and Goldman-correlated IOP, respectively) and is associated with 34% reduced risk of glaucoma (P = 0.0062). In FinnGen, we identify an ANGPTL7 missense variant at a greater than 50-fold increased frequency in Finland compared with other populations (rs147660927, p.Arg220Cys, MAF Finland = 4.3%), which was genotyped in 6,537 glaucoma patients and 170,362 controls and is associated with a 29% lower glaucoma risk (P = 1.9 x 10-12 for all glaucoma types and also protection against its subtypes including exfoliation, primary open-angle, and primary angle-closure). We further find three rarer variants in UK Biobank, including a protein-truncating variant, which confer a strong composite lowering of IOP (P = 0.0012 and 0.24 for Goldman-correlated and corneal compensated IOP, respectively), suggesting the protective mechanism likely resides in the loss of interaction or function. Our results support inhibition or down-regulation of ANGPTL7 as a therapeutic strategy for glaucoma.
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Affiliation(s)
- Yosuke Tanigawa
- Department of Biomedical Data Science, School of Medicine, Stanford University, Stanford, California, United States of America
| | - Michael Wainberg
- Department of Biomedical Data Science, School of Medicine, Stanford University, Stanford, California, United States of America
| | - Juha Karjalainen
- Program in Medical and Population Genetics and Stanley Center for Psychiatric Research, Broad Institute of Harvard and MIT, Cambridge, Massachusetts, United States of America
- Analytic and Translational Genetics Unit, Massachusetts General Hospital, Boston, Massachusetts, United States of America
- Institute for Molecular Medicine Finland (FIMM), University of Helsinki, Helsinki, Finland
| | - Tuomo Kiiskinen
- Institute for Molecular Medicine Finland (FIMM), University of Helsinki, Helsinki, Finland
- Finnish Institute for Health and Welfare, Helsinki, Finland
| | - Guhan Venkataraman
- Department of Biomedical Data Science, School of Medicine, Stanford University, Stanford, California, United States of America
| | - Susanna Lemmelä
- Institute for Molecular Medicine Finland (FIMM), University of Helsinki, Helsinki, Finland
- Finnish Institute for Health and Welfare, Helsinki, Finland
| | - Joni A. Turunen
- Department of Ophthalmology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
- Folkhälsan Research Center, Biomedicum Helsinki, Helsinki, Finland
| | - Robert R. Graham
- Maze Therapeutics, South San Francisco, California, United States of America
| | - Aki S. Havulinna
- Institute for Molecular Medicine Finland (FIMM), University of Helsinki, Helsinki, Finland
- Finnish Institute for Health and Welfare, Helsinki, Finland
| | - Markus Perola
- Finnish Institute for Health and Welfare, Helsinki, Finland
| | - Aarno Palotie
- Program in Medical and Population Genetics and Stanley Center for Psychiatric Research, Broad Institute of Harvard and MIT, Cambridge, Massachusetts, United States of America
- Analytic and Translational Genetics Unit, Massachusetts General Hospital, Boston, Massachusetts, United States of America
- Institute for Molecular Medicine Finland (FIMM), University of Helsinki, Helsinki, Finland
| | | | - Mark J. Daly
- Program in Medical and Population Genetics and Stanley Center for Psychiatric Research, Broad Institute of Harvard and MIT, Cambridge, Massachusetts, United States of America
- Analytic and Translational Genetics Unit, Massachusetts General Hospital, Boston, Massachusetts, United States of America
- Institute for Molecular Medicine Finland (FIMM), University of Helsinki, Helsinki, Finland
| | - Manuel A. Rivas
- Department of Biomedical Data Science, School of Medicine, Stanford University, Stanford, California, United States of America
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Nahomi RB, Nam MH, Rankenberg J, Rakete S, Houck JA, Johnson GC, Stankowska DL, Pantcheva MB, MacLean PS, Nagaraj RH. Kynurenic Acid Protects Against Ischemia/Reperfusion-Induced Retinal Ganglion Cell Death in Mice. Int J Mol Sci 2020; 21:ijms21051795. [PMID: 32151061 PMCID: PMC7084183 DOI: 10.3390/ijms21051795] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Revised: 02/21/2020] [Accepted: 03/02/2020] [Indexed: 12/17/2022] Open
Abstract
Background: Glaucoma is an optic neuropathy and involves the progressive degeneration of retinal ganglion cells (RGCs), which leads to blindness in patients. We investigated the role of the neuroprotective kynurenic acid (KYNA) in RGC death against retinal ischemia/reperfusion (I/R) injury. Methods: We injected KYNA intravenously or intravitreally to mice. We generated a knockout mouse strain of kynurenine 3-monooxygenase (KMO), an enzyme in the kynurenine pathway that produces neurotoxic 3-hydroxykynurenine. To test the effect of mild hyperglycemia on RGC protection, we used streptozotocin (STZ) induced diabetic mice. Retinal I/R injury was induced by increasing intraocular pressure for 60 min followed by reperfusion and RGC numbers were counted in the retinal flat mounts. Results: Intravenous or intravitreal administration of KYNA protected RGCs against I/R injury. The I/R injury caused a greater loss of RGCs in wild type than in KMO knockout mice. KMO knockout mice had mildly higher levels of fasting blood glucose than wild type mice. Diabetic mice showed significantly lower loss of RGCs when compared with non-diabetic mice subjected to I/R injury. Conclusion: Together, our study suggests that the absence of KMO protects RGCs against I/R injury, through mechanisms that likely involve higher levels of KYNA and glucose.
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Affiliation(s)
- Rooban B. Nahomi
- Sue Anschutz-Rodgers Eye Center and Department of Ophthalmology, University of Colorado, Aurora, CO 80045, USA; (M.-H.N.); (J.R.); (S.R.); (M.B.P.)
- Correspondence: (R.B.N.); (R.H.N.); Tel.: +1-303-724-8824 (R.H.N.)
| | - Mi-Hyun Nam
- Sue Anschutz-Rodgers Eye Center and Department of Ophthalmology, University of Colorado, Aurora, CO 80045, USA; (M.-H.N.); (J.R.); (S.R.); (M.B.P.)
| | - Johanna Rankenberg
- Sue Anschutz-Rodgers Eye Center and Department of Ophthalmology, University of Colorado, Aurora, CO 80045, USA; (M.-H.N.); (J.R.); (S.R.); (M.B.P.)
| | - Stefan Rakete
- Sue Anschutz-Rodgers Eye Center and Department of Ophthalmology, University of Colorado, Aurora, CO 80045, USA; (M.-H.N.); (J.R.); (S.R.); (M.B.P.)
| | - Julie A. Houck
- Division of Endocrinology, Metabolism and Diabetes, School of Medicine, University of Colorado, Aurora, CO 80045, USA; (J.A.H.); (G.C.J.); (P.S.M.)
| | - Ginger C. Johnson
- Division of Endocrinology, Metabolism and Diabetes, School of Medicine, University of Colorado, Aurora, CO 80045, USA; (J.A.H.); (G.C.J.); (P.S.M.)
| | - Dorota L. Stankowska
- Department of Pharmacology and Neuroscience, North Texas Eye Research Institute, University of North Texas Health Science Center, Fort Worth, TX 76107, USA;
| | - Mina B. Pantcheva
- Sue Anschutz-Rodgers Eye Center and Department of Ophthalmology, University of Colorado, Aurora, CO 80045, USA; (M.-H.N.); (J.R.); (S.R.); (M.B.P.)
| | - Paul S. MacLean
- Division of Endocrinology, Metabolism and Diabetes, School of Medicine, University of Colorado, Aurora, CO 80045, USA; (J.A.H.); (G.C.J.); (P.S.M.)
| | - Ram H. Nagaraj
- Sue Anschutz-Rodgers Eye Center and Department of Ophthalmology, University of Colorado, Aurora, CO 80045, USA; (M.-H.N.); (J.R.); (S.R.); (M.B.P.)
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado, Aurora, CO 80045, USA
- Correspondence: (R.B.N.); (R.H.N.); Tel.: +1-303-724-8824 (R.H.N.)
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11
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Saginbaev UR, Rukavishnikova SA, Potemkin VV, Pushkin AS, Akhmedov TA. [Laboratory predictors of glaucoma in patients with middle and old age - a tool to improve the quality of life (literature review).]. Adv Gerontol 2020; 33:339-345. [PMID: 32593250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
There are about 1,3 billion people worldwide with visual disorders such as cataract and glaucoma, the prevalence of which is significantly higher in elder persons. Eye diseases remain a global medical, social and economic problem, associated with both the progression of the disease up to blindness and the lack of pathogenetic therapy methods. Timely detection of pathology is secondary prevention of glaucoma. At present, a number of diagnostic techniques have been developed, including mainly instrumental techniques. Undoubtedly, laboratory indicators should be used as screening methods of early diagnosis. Today, a group of biomarkers with different degrees of sensitivity and specificity has been identified. However, these markers have some difficulty in indicating. Finding signs of glaucoma in complete blood count is an important task. Glaucoma is recognized as a systemic disease, which should be reflected in the change in morphofunctional properties of blood elements.
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Affiliation(s)
- U R Saginbaev
- I.I.Pavlov First Saint Petersburg State Medical University, 6-8 L'vaTolstogo str., St. Petersburg 197022, Russian Federation, e-mail:
| | - S A Rukavishnikova
- I.I.Pavlov First Saint Petersburg State Medical University, 6-8 L'vaTolstogo str., St. Petersburg 197022, Russian Federation, e-mail:
- City Hospital № 2, 5 Uchebniy per., St. Petersburg 194354, Russian Federation
| | - V V Potemkin
- I.I.Pavlov First Saint Petersburg State Medical University, 6-8 L'vaTolstogo str., St. Petersburg 197022, Russian Federation, e-mail:
- City Hospital № 2, 5 Uchebniy per., St. Petersburg 194354, Russian Federation
| | - A S Pushkin
- I.I.Pavlov First Saint Petersburg State Medical University, 6-8 L'vaTolstogo str., St. Petersburg 197022, Russian Federation, e-mail:
- City Hospital № 2, 5 Uchebniy per., St. Petersburg 194354, Russian Federation
| | - T A Akhmedov
- I.I.Pavlov First Saint Petersburg State Medical University, 6-8 L'vaTolstogo str., St. Petersburg 197022, Russian Federation, e-mail:
- City Hospital № 2, 5 Uchebniy per., St. Petersburg 194354, Russian Federation
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12
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Zhang S, Wang J, Li Y, Liu Y, He L, Xia X. The role of primary intraocular lens implantation in the risk of secondary glaucoma following congenital cataract surgery: A systematic review and meta-analysis. PLoS One 2019; 14:e0214684. [PMID: 30933995 PMCID: PMC6443152 DOI: 10.1371/journal.pone.0214684] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Accepted: 03/18/2019] [Indexed: 12/16/2022] Open
Abstract
Objective This meta-analysis aims to evaluate the incidence of secondary glaucoma in patients under the age of 2 years who underwent congenital cataract surgery with or without primary intraocular lens (IOL) implantation. Methods An electronic literature search was performed in Medline, EMBASE, and Web of Science databases to retrieve studies between January 2011 and November 2018. Patients with congenital cataract who did primary IOL implantation, aphakia, or secondary IOL implantation followed by receiving extraction surgery were included in this study. Relevant studies meeting defined eligibility criteria were selected and reviewed systematically by meta-analysis. Long-term incidences of secondary glaucoma, which developed at least one year after cataract surgery, were considered and discussed as clinical outcomes in each cohort. The pooled data were analyzed according to a random effects model. Results Eight publications involving 892 eyes were included in the current meta-analysis. In the general population of eyes with congenital cataract, the long-term incidence of secondary glaucoma was lower (P = 0.06) in eyes with primary IOL (9.5%) than in eyes without primary IOL (15.1%), including aphakia and secondary IOL. The pooled risk ratio (RR) favors primary IOL implantation in all patients (RR = 0.63). For bilateral congenital cataract, the incidence was 6.7% in eyes with primary IOL implantation, which is significantly lower than the 16.7% in eyes with aphakia and secondary IOL implantation (P<0.05, RR = 0.44). However, for unilateral congenital cataract surgery, the incidence was very similar in eyes with and without primary IOL (12.4% vs 12.0%, P = 0.61, RR = 0.87). Conclusions In patients under 2 years of age, primary IOL implantation for bilateral congenital cataract surgery is associated with a lower risk of secondary glaucoma.
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Affiliation(s)
- Shuo Zhang
- Department of Ophthalmology, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Xiangya Eye Center, Central South University, Changsha, Hunan, China
| | - Jiaxing Wang
- Department of Ophthalmology, Emory University, Atlanta, Georgia, United States of America
| | - Ying Li
- Department of Ophthalmology, Emory University, Atlanta, Georgia, United States of America
| | - Ye Liu
- Department of Health Care Organization and Policy, School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama, United States of America
| | - Li He
- Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, United States of America
| | - Xiaobo Xia
- Department of Ophthalmology, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Xiangya Eye Center, Central South University, Changsha, Hunan, China
- * E-mail:
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13
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Geeraerts E, Claes M, Dekeyster E, Salinas-Navarro M, De Groef L, Van den Haute C, Scheyltjens I, Baekelandt V, Arckens L, Moons L. Optogenetic Stimulation of the Superior Colliculus Confers Retinal Neuroprotection in a Mouse Glaucoma Model. J Neurosci 2019; 39:2313-2325. [PMID: 30655352 PMCID: PMC6433760 DOI: 10.1523/jneurosci.0872-18.2018] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Revised: 11/15/2018] [Accepted: 12/29/2018] [Indexed: 12/12/2022] Open
Abstract
Glaucoma is characterized by a progressive loss of retinal ganglion cells (RGCs) in the eye, which ultimately results in visual impairment or even blindness. Because current therapies often fail to halt disease progression, there is an unmet need for novel neuroprotective therapies to support RGC survival. Various research lines suggest that visual target centers in the brain support RGC functioning and survival. Here, we explored whether increasing neuronal activity in one of these projection areas could improve survival of RGCs in a mouse glaucoma model. Prolonged activation of an important murine RGC target area, the superior colliculus (SC), was established via a novel optogenetic stimulation paradigm. By leveraging the unique channel kinetics of the stabilized step function opsin (SSFO), protracted stimulation of the SC was achieved with only a brief light pulse. SSFO-mediated collicular stimulation was confirmed by immunohistochemistry for the immediate-early gene c-Fos and behavioral tracking, which both demonstrated consistent neuronal activity upon repeated stimulation. Finally, the neuroprotective potential of optogenetic collicular stimulation was investigated in mice of either sex subjected to a glaucoma model and a 63% reduction in RGC loss was found. This work describes a new paradigm for optogenetic collicular stimulation and a first demonstration that increasing target neuron activity can increase survival of the projecting neurons.SIGNIFICANCE STATEMENT Despite glaucoma being a leading cause of blindness and visual impairment worldwide, no curative therapies exist. This study describes a novel paradigm to reduce retinal ganglion cell (RGC) degeneration underlying glaucoma. Building on previous observations that RGC survival is supported by the target neurons to which they project and using an innovative optogenetic approach, we increased neuronal activity in the mouse superior colliculus, a main projection target of rodent RGCs. This proved to be efficient in reducing RGC loss in a glaucoma model. Our findings establish a new optogenetic paradigm for target stimulation and encourage further exploration of the molecular signaling pathways mediating retrograde neuroprotective communication.
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Affiliation(s)
- Emiel Geeraerts
- Laboratory of Neural Circuit Development and Regeneration, Department of Biology, KU Leuven, 3000 Leuven, Belgium
- Leuven Brain Institute, KU Leuven, 3000 Leuven, Belgium
| | - Marie Claes
- Laboratory of Neural Circuit Development and Regeneration, Department of Biology, KU Leuven, 3000 Leuven, Belgium
- Leuven Brain Institute, KU Leuven, 3000 Leuven, Belgium
| | - Eline Dekeyster
- Laboratory of Neural Circuit Development and Regeneration, Department of Biology, KU Leuven, 3000 Leuven, Belgium
- Leuven Brain Institute, KU Leuven, 3000 Leuven, Belgium
| | - Manuel Salinas-Navarro
- Laboratory of Neural Circuit Development and Regeneration, Department of Biology, KU Leuven, 3000 Leuven, Belgium
- Leuven Brain Institute, KU Leuven, 3000 Leuven, Belgium
| | - Lies De Groef
- Laboratory of Neural Circuit Development and Regeneration, Department of Biology, KU Leuven, 3000 Leuven, Belgium
- Leuven Brain Institute, KU Leuven, 3000 Leuven, Belgium
| | - Chris Van den Haute
- Leuven Brain Institute, KU Leuven, 3000 Leuven, Belgium
- Laboratory for Neurobiology and Gene Therapy, Department of Neurosciences, KU Leuven, 3000 Leuven, Belgium
- Viral Vector Core Leuven, KU Leuven, 3000 Leuven, Belgium, and
| | - Isabelle Scheyltjens
- Leuven Brain Institute, KU Leuven, 3000 Leuven, Belgium
- Laboratory of Neuroplasticity and Neuroproteomics, Department of Biology; KU Leuven, 3000 Leuven, Belgium
| | - Veerle Baekelandt
- Leuven Brain Institute, KU Leuven, 3000 Leuven, Belgium
- Laboratory for Neurobiology and Gene Therapy, Department of Neurosciences, KU Leuven, 3000 Leuven, Belgium
| | - Lutgarde Arckens
- Leuven Brain Institute, KU Leuven, 3000 Leuven, Belgium
- Laboratory of Neuroplasticity and Neuroproteomics, Department of Biology; KU Leuven, 3000 Leuven, Belgium
| | - Lieve Moons
- Laboratory of Neural Circuit Development and Regeneration, Department of Biology, KU Leuven, 3000 Leuven, Belgium,
- Leuven Brain Institute, KU Leuven, 3000 Leuven, Belgium
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14
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Moreno-Montañés J, Antón-López A, Duch-Tuesta S, Corsino Fernández-Vila P, García-Feijoó 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 (i). Sports and activities. Arch Soc Esp Oftalmol (Engl Ed) 2018; 93:69-75. [PMID: 29157839 DOI: 10.1016/j.oftal.2017.09.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Revised: 08/16/2017] [Accepted: 09/05/2017] [Indexed: 06/07/2023]
Abstract
PURPOSES The increase in quality and life expectancy, often leads to many patients asking the glaucoma specialist whether some sports, activities or hobbies would affect their illness. The aim of this article is to establish guidelines for patients, based on the scientific evidence of published papers. 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 Aerobic sports are beneficial for the patient. Yoga indoor sports or relaxation techniques should be avoided if Valsalva manoeuvres are performed or the head is placed very low. Also, the patients must avoid sudden changes in height. Intense heat does not seem to lead to progression of glaucoma, but intense cold can affect patients with vascular dysregulation. Activities using the near vision slightly reduce the intraocular pressure. The use of wind instruments may raise intraocular pressure, depending on the technique used. CONCLUSIONS Certain sports and activities may have an influence on the onset or progression of glaucoma. Glaucoma specialists should have adequate information about the scientific evidence in the publications, in order to properly advise the patients.
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Affiliation(s)
| | - A Antón-López
- Institut Català de Retina, Universitat Internacional de Catalunya, Barcelona, España
| | | | | | - J García-Feijoó
- Hospital Clínico San Carlos, Universidad Complutense de Madrid, Madrid, España
| | - E Millá-Griñó
- Hospital Clínic, Universitat de Barcelona, Barcelona, España
| | - F J Muñoz-Negrete
- Hospital Universitario Ramón y Cajal, Universidad de Alcalá, Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, España
| | - L Pablo-Júlvez
- Hospital Miguel Servet, Universidad de Zaragoza, Zaragoza, España
| | | | - J L Urcelay-Segura
- Hospital Gregorio Marañón, Universidad Complutense de Madrid, Madrid, 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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15
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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. Arch Soc Esp Oftalmol (Engl Ed) 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] [What about the content of this article? (0)] [Affiliation(s)] [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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16
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Fujitani K, Su D, Ghassibi MP, Simonson JL, Liebmann JM, Ritch R, Park SC. Assessment of patient perception of glaucomatous visual field loss and its association with disease severity using Amsler grid. PLoS One 2017; 12:e0184230. [PMID: 28949971 PMCID: PMC5614531 DOI: 10.1371/journal.pone.0184230] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2017] [Accepted: 08/21/2017] [Indexed: 11/18/2022] Open
Abstract
Purpose To investigate patients’ perception of glaucomatous VF loss and its association with glaucoma severity using the Amsler grid test. Methods In this prospective cross-sectional study, glaucoma patients with abnormal 10–2 Humphrey Swedish Interactive Threshold Algorithm-standard VF tests were enrolled consecutively. All patients underwent a black-on-white Amsler grid test for each eligible eye. They were asked to outline any perceived scotomas (areas with abnormal grid lines) on the grid and then describe verbally their perception of the scotomas. Examiners asked patients to clarify their descriptions. All descriptions used by patients were recorded in their own words, which were then sorted into descriptor categories according to similar themes. The number of descriptor categories was counted for each eye. 10–2 VF mean deviation (MD) was compared among eyes that reported different number of descriptor categories. The mean 10–2 VF MD values were compared among different descriptor categories. Results Fifty glaucoma patients (88 eyes) were included. Patients used a total of 44 different descriptors for their scotomas. Patients’ descriptors were classified into categories that incorporated similar themes, resulting in 4 overarching descriptor categories: Missing/White, Blurry/Gray, Black, and Not Aware. Fifty-two eyes reported one descriptor category and 19 eyes reported two descriptor categories (mean number of descriptor categories = 1.27±0.45). Eyes that reported two descriptor categories had worse VF MD than those that reported one (-17.86±10.31 dB vs. -12.08±7.53 dB; p = 0.012). When eyes were organized according to its combination of descriptor categories, each eye naturally sorted into one of the following 5 groups, in frequency order: Missing/White (27 eyes; 31%), Blurry/Gray (21 eyes; 24%), combined Missing/White and Blurry/Gray (19 eyes; 21%), Not Aware (17 eyes; 19%), and Black (4 eyes; 5%). The mean 10–2 VF MD severity order was Black (-21.18±10.59 dB), combined Missing/White and Blurry/Gray (-17.86±10.31 dB), Missing/White (-11.92±6.76 dB), Blurry/Gray (-10.55±7.03 dB), and Not Aware (-3.91±4.05 dB) (p<0.001). Conclusion Paracentral vision loss in glaucoma is perceived by patients. As the perception of scotomas and the variety of terms to describe scotomas are related to glaucoma severity, clinicians should pay attention to patients’ subjective descriptions of their glaucomatous VF loss. The historical notion that glaucoma patients lose their peripheral vision first and eventually look through a black tunnel needs to be updated to reflect the true perception of glaucoma.
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Affiliation(s)
- Kenji Fujitani
- Moise and Chella Safra Advanced Ocular Imaging Laboratory, Einhorn Clinical Research Center, New York Eye and Ear Infirmary of Mount Sinai, New York, NY, United States of America
| | - Daniel Su
- Moise and Chella Safra Advanced Ocular Imaging Laboratory, Einhorn Clinical Research Center, New York Eye and Ear Infirmary of Mount Sinai, New York, NY, United States of America
| | - Mark P. Ghassibi
- Moise and Chella Safra Advanced Ocular Imaging Laboratory, Einhorn Clinical Research Center, New York Eye and Ear Infirmary of Mount Sinai, New York, NY, United States of America
| | - Joseph L. Simonson
- Moise and Chella Safra Advanced Ocular Imaging Laboratory, Einhorn Clinical Research Center, New York Eye and Ear Infirmary of Mount Sinai, New York, NY, United States of America
| | - Jeffrey M. Liebmann
- Bernard and Shirlee Brown Glaucoma Research Laboratory, Harkness Eye Institute, Columbia University Medical Center, New York, NY, United States of America
| | - Robert Ritch
- Moise and Chella Safra Advanced Ocular Imaging Laboratory, Einhorn Clinical Research Center, New York Eye and Ear Infirmary of Mount Sinai, New York, NY, United States of America
| | - Sung Chul Park
- Department of Ophthalmology, Manhattan Eye, Ear and Throat Hospital, New York, NY, United States of America
- Department of Ophthalmology, Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States of America
- * E-mail:
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17
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John S. Low-cost rapid prototyping of liquid crystal polymer based magnetic microactuators for glaucoma drainage devices. Annu Int Conf IEEE Eng Med Biol Soc 2017; 2016:4212-4215. [PMID: 28269212 DOI: 10.1109/embc.2016.7591656] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Glaucoma is one of the leading causes of blindness in the world. Although there is no cure for glaucoma, pharmaceutical or surgical interventions are known to delay the progression of this debilitating disease. In recent years, implantation of glaucoma drainage devices (GDD) have increased due to their ability to manage IOP better than other therapeutic approaches. However, only 50% of the implanted devices remain functional after 5 years often due to biofouling. Here, we report our latest progress towards developing self-clearing GDDs using integrated magnetic microactuators. Our hypothesis is that these magnetic microdevices can provide local mechanical perturbations to prophylactically remove biological accumulation. To reduce the cost and increase the throughput of fabrication, we utilize a maskless photolithography setup and commercially available liquid crystal polymer foils to create prototype devices. The mechanical response of the devices is reported and compared with the theoretical values.
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18
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Affiliation(s)
- Jeffrey M Liebmann
- From the Bernard and Shirlee Brown Glaucoma Research Laboratory, Edward S. Harkness Eye Institute, Columbia University Medical Center, New York
| | - George A Cioffi
- From the Bernard and Shirlee Brown Glaucoma Research Laboratory, Edward S. Harkness Eye Institute, Columbia University Medical Center, New York
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19
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Harder JM, Braine CE, Williams PA, Zhu X, MacNicoll KH, Sousa GL, Buchanan RA, Smith RS, Libby RT, Howell GR, John SWM. Early immune responses are independent of RGC dysfunction in glaucoma with complement component C3 being protective. Proc Natl Acad Sci U S A 2017; 114:E3839-E3848. [PMID: 28446616 PMCID: PMC5441748 DOI: 10.1073/pnas.1608769114] [Citation(s) in RCA: 68] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Various immune response pathways are altered during early, predegenerative stages of glaucoma; however, whether the early immune responses occur secondarily to or independently of neuronal dysfunction is unclear. To investigate this relationship, we used the Wlds allele, which protects from axon dysfunction. We demonstrate that DBA/2J.Wlds mice develop high intraocular pressure (IOP) but are protected from retinal ganglion cell (RGC) dysfunction and neuroglial changes that otherwise occur early in DBA/2J glaucoma. Despite this, immune pathways are still altered in DBA/2J.Wlds mice. This suggests that immune changes are not secondary to RGC dysfunction or altered neuroglial interactions, but may be directly induced by the increased strain imposed by high IOP. One early immune response following IOP elevation is up-regulation of complement C3 in astrocytes of DBA/2J and DBA/2J.Wlds mice. Unexpectedly, because the disruption of other complement components, such as C1Q, is protective in glaucoma, C3 deficiency significantly increased the number of DBA/2J eyes with nerve damage and RGC loss at an early time point after IOP elevation. Transcriptional profiling of C3-deficient cultured astrocytes implicated EGFR signaling as a hub in C3-dependent responses. Treatment with AG1478, an EGFR inhibitor, also significantly increased the number of DBA/2J eyes with glaucoma at the same early time point. These findings suggest that C3 protects from early glaucomatous damage, a process that may involve EGFR signaling and other immune responses in the optic nerve head. Therefore, therapies that target specific components of the complement cascade, rather than global inhibition, may be more applicable for treating human glaucoma.
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Affiliation(s)
| | | | | | - Xianjun Zhu
- Howard Hughes Medical Institute, The Jackson Laboratory, Bar Harbor, ME 04609
| | | | | | | | | | - Richard T Libby
- Flaum Eye Institute, University of Rochester Medical Center, Rochester, NY 14642
| | | | - Simon W M John
- The Jackson Laboratory, Bar Harbor, ME 04609
- Howard Hughes Medical Institute, The Jackson Laboratory, Bar Harbor, ME 04609
- Department of Ophthalmology, Tufts University School of Medicine, Boston, MA 02111
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Williams PA, Braine CE, Foxworth NE, Cochran KE, John SWM. GlyCAM1 negatively regulates monocyte entry into the optic nerve head and contributes to radiation-based protection in glaucoma. J Neuroinflammation 2017; 14:93. [PMID: 28446179 PMCID: PMC5406973 DOI: 10.1186/s12974-017-0868-8] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2017] [Accepted: 04/18/2017] [Indexed: 01/27/2023] Open
Abstract
BACKGROUND We previously reported a profound long-term neuroprotection subsequent to a single radiation-therapy in the DBA/2J mouse model of glaucoma. This neuroprotection prevents entry of monocyte-like immune cells into the optic nerve head during glaucoma. Gene expression studies in radiation-treated mice implicated Glycam1 in this protection. Glycam1 encodes a proteoglycan ligand for L-selectin and is an excellent candidate to modulate immune cell entry into the eye. Here, we experimentally test the hypothesis that radiation-induced over-expression of Glycam1 is a key component of the neuroprotection. METHODS We generated a null allele of Glycam1 on a DBA/2J background. Gene and protein expression of Glycam1, monocyte entry into the optic nerve head, retinal ganglion cell death, and axon loss in the optic nerve were assessed. RESULTS Radiation therapy potently inhibits monocyte entry into the optic nerve head and prevents retinal ganglion cell death and axon loss. DBA/2J mice carrying a null allele of Glycam1 show increased monocyte entry and increased retinal ganglion cell death and axon loss following radiation therapy, but the majority of optic nerves were still protected by radiation therapy. CONCLUSIONS Although GlyCAM1 is an L-selectin ligand, its roles in immunity are not yet fully defined. The current study demonstrates a partial role for GlyCAM1 in radiation-mediated protection. Furthermore, our results clearly show that GlyCAM1 levels modulate immune cell entry from the vasculature into neural tissues. As Glycam1 deficiency has a more profound effect on cell entry than on neurodegeneration, further experiments are needed to precisely define the role of monocyte entry in DBA/2J glaucoma. Nevertheless, GlyCAM1's function as a negative regulator of extravasation may lead to novel therapeutic strategies for an array of common conditions involving inflammation.
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Affiliation(s)
| | | | | | | | - Simon W. M. John
- The Jackson Laboratory, Bar Harbor, ME USA
- Department of Ophthalmology, Tufts University of Medicine, Boston, MA USA
- The Howard Hughes Medical Institute, Bar Harbor, ME USA
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21
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Xiao Z, Gong X. Use of Statins and Risk of Reducing Glaucoma: Is There a Link? Med Princ Pract 2017; 26:296. [PMID: 27816977 PMCID: PMC5588384 DOI: 10.1159/000453040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2016] [Accepted: 11/03/2016] [Indexed: 11/19/2022] Open
Affiliation(s)
| | - Xian Gong
- *Xian Gong, Department of Neurology, The Third Hospital of Nanchang, No.2, Xiang Shan South Road, Nanchang City, Jiangxi 330006 (China), E-Mail
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22
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Dietary nitrate may lower risk of glaucoma. Harv Mens Health Watch 2016; 20:8. [PMID: 27372972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
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23
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Abitbol O. [Glaucoma screening and prevention]. Rev Prat 2016; 66:496-498. [PMID: 30512568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Glaucoma Screening And Prevention. Glaucoma screening is a very important health problem, as it is a frequent desease, and can lead to blindness when not treated (3rd cause of blindness worldwide). When diagnosed early, glaucoma can be treated, allowing to avoid blindness in a majority of patients. Screnning depends on ophthalmologic examination of all people above 40, even earlier in subjects whith strong risk factors. Intraocular pressure and pachymetry should be measured, optic nerve and irido-corneal angle should be carefully assessed. Various exams can confirm the diagnosis (OCT, perimetry), and also be usefull for follow-up.
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Affiliation(s)
- Olivia Abitbol
- Institut du glaucome, hôpital Saint-Joseph, Paris, France
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24
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Fallon M, Pazos M, Morilla A, Sebastián MA, Xancó R, Mora C, Calderón B, Vega Z, Antón A. Morphological characteristics of the optic nerve evaluated by confocal laser tomography (HRT3) and laser polarimetry (GDx-VCC) in a normal population from the city of Barcelona. Arch Soc Esp Oftalmol 2015; 90:507-516. [PMID: 26008925 DOI: 10.1016/j.oftal.2015.03.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2014] [Revised: 02/04/2015] [Accepted: 03/10/2015] [Indexed: 06/04/2023]
Abstract
OBJECTIVE To evaluate morphological parameters of optic disc and retinal nerve fiber layer (RNFL) examined with confocal laser tomography (HRT3) and laser polarimetry (GDx-VCC) in a normal population, and analyze correlations of these parameters with demographic variables. PATIENTS AND METHODS Cross-sectional study in the context of a glaucoma screening campaign in the primary care center of Barcelona. The individuals selected were non-hypertensive Mediterranean Caucasians with risk for glaucoma development (individuals≥60 years old or≥40 years old with family history of glaucoma or intraocular pressure or myopia>3diopter). All subjects underwent a complete ophthalmic examination, confocal laser tomography (HRT3) and scanning laser polarimetry (GDX-VCC), subjects with results within normal limits only being included. Structural parameters were analyzed along with age, refraction, and pachymetry based on the Spearman rank correlation test. RESULTS A total of 224 subjects included, with a mean age of 63.4±11.1 years. Disc areas, excavation and ring area were 2.14±0.52mm(2), 0.44±0.34mm (2) and 1.69±0.38mm(2), respectively. The mean RNFL (GDX) was 55.9±6.9μm. Age was correlated with lower ring volume, highest rate of cup shape measure, largest mean and maximum cup depth, lower nerve fiber index (NFI) and RNFL (all p-values below .05). CONCLUSION The mean values and distribution of several parameters of the papilla and the RNFL in normal Mediterranean Caucasians population are presented. A loss of thickness of the RNFL, ring thinning, and enlarged cup was observed with increased age.
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Affiliation(s)
- M Fallon
- Departament d'Oftalmologia, Hospital de l'Esperança-Parc de Salut Mar, Institut Mar d'Investigacions Mèdiques , Barcelona, España; Universtitat Autònoma de Barcelona, Barcelona, España.
| | - M Pazos
- Departament d'Oftalmologia, Hospital de l'Esperança-Parc de Salut Mar, Institut Mar d'Investigacions Mèdiques , Barcelona, España; Universtitat Autònoma de Barcelona, Barcelona, España
| | - A Morilla
- Departament d'Investigació, Institut Català de Retina (ICR), Barcelona, España
| | - M A Sebastián
- Unitat d'Infermeria, Centre d'Assistència Primària (CAP) Larrard, Barcelona, España
| | - R Xancó
- Departament d'Oftalmologia, Hospital de l'Esperança-Parc de Salut Mar, Institut Mar d'Investigacions Mèdiques , Barcelona, España; Universtitat Autònoma de Barcelona, Barcelona, España
| | - C Mora
- Departament d'Oftalmologia, Hospital de l'Esperança-Parc de Salut Mar, Institut Mar d'Investigacions Mèdiques , Barcelona, España; Universtitat Autònoma de Barcelona, Barcelona, España
| | - B Calderón
- Unitat d'Infermeria, Centre d'Assistència Primària (CAP) Larrard, Barcelona, España
| | - Z Vega
- Unitat d'Infermeria, Centre d'Assistència Primària (CAP) Larrard, Barcelona, España
| | - A Antón
- Departament d'Oftalmologia, Hospital de l'Esperança-Parc de Salut Mar, Institut Mar d'Investigacions Mèdiques , Barcelona, España; Universtitat Autònoma de Barcelona, Barcelona, España; Departament d'Investigació, Institut Català de Retina (ICR), Barcelona, España; Universitat Internacional de Catalunya (UIC), Barcelona, España
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25
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Li H, Wu Z. [Research advances on relationship between ocular perfusion pressure fluctuations and glaucoma]. Zhonghua Yan Ke Za Zhi 2015; 51:477-480. [PMID: 26310124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Intraocular pressure (IOP) is considered the main risk factor for the development and progression of glaucoma. The major treatment is to reduce the intraocular pressure. However, the damage of optic nerve may continue to progress despite lowering patients' IOP to the target levels. High ocular perfusion pressure (OPP) fluctuations could have detrimental effects in eyes with glaucoma which confirmed that vascular factor is one of the pathogenesis of glaucoma. This review article discussed the research progress of relationship between ocular perfusion pressure and glaucoma including its definition, calculation, epidemiological studies, fluctuation and autoregulation. We also discussed whether it was secondary to changes in intraocular pressure, blood pressure or both. We expect ocular perfusion pressure fluctuations could provide evidence for evaluating glaucoma progress.
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Affiliation(s)
- Hao Li
- Department of Ophthalmology, Armed Police General Hospital, Beijing 100039, China
| | - Zhihong Wu
- Department of Ophthalmology, Armed Police General Hospital, Beijing 100039, China;
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26
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Affiliation(s)
- C M Kirkness
- Department of Clinical Ophthalmology, Moorfields Eye Hospital, London, UK
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27
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Wang M, Xiao W. Congenital Cataract: Progress in Surgical Treatment and Postoperative Recovery of Visual Function. Eye Sci 2015; 30:38-47. [PMID: 26390798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Congenital cataract is a common cause of childhood low vision or blindness worldwide. Early surgery should be performed in sensitive vision development period to avoid vision deprivation in cases of strabismus and nystagmus development. Postoperative recovery of visual function is of great significance for these patients and should include proper postoperative aphakia correction by the application of a contact lens and secondary implantation of an intraocular lens (IOL). Patients should receive amblyopic training after surgery to improve their postoperative visual acuity. Although recent advances in surgery techniques and materials have brought better postoperative visual acuity and less complications, a few postoperative complications can still hamper vision condition and vision development, including posterior capsule opacification and secondary glaucoma. Surgery in early infancy are risk factors for these two complications. Life-long follow-up is essential for these patients. Further study will continue to address the surgery timing issue and methods that prevent postoperative complications.
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Abstract
The pharmaceutical therapy of glaucoma dates back to 1875 when Weber introduced pilocarpine into the medicinal treatment of glaucoma. Since then there has been a continuous development of topical antiglaucoma therapy whereby the main developments date back to the 1980s and 1990s. All forms of medicinal therapy aim at lowering the intraocular pressure and achieve this either by inhibiting aqueous humor secretion into the ciliary body or by enhancing physiological drainage routes along Schlemm's canal. This article gives an overview over the most important classes of antiglaucoma drugs, the indications and contraindications as well as pharmacological characteristics. The focus lies on the market of combination and generic drug preparations that is currently rapidly developing and therefore needs to be discussed in detail.
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Affiliation(s)
- H Thieme
- Universitätsaugenklinik, Leipziger Str. 44, 39120, Magdeburg, Deutschland,
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29
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Sloan FA, Yashkin AP, Chen Y. Gaps in receipt of regular eye examinations among medicare beneficiaries diagnosed with diabetes or chronic eye diseases. Ophthalmology 2014; 121:2452-60. [PMID: 25208856 PMCID: PMC4338994 DOI: 10.1016/j.ophtha.2014.07.020] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2014] [Revised: 06/24/2014] [Accepted: 07/14/2014] [Indexed: 10/24/2022] Open
Abstract
OBJECTIVE To examine a wide range of factors associated with regular eye examination receipt among elderly individuals diagnosed with glaucoma, age-related macular degeneration, or diabetes mellitus (DM). DESIGN Retrospective analysis of Medicare claims linked to survey data from the Health and Retirement Study (HRS). PARTICIPANTS The sample consisted of 2151 Medicare beneficiaries who responded to the HRS. METHODS Medicare beneficiaries with ≥ 1 of the 3 study diagnoses were identified by diagnosis codes and merged with survey information. The same individuals were followed for 5 years divided into four 15-month periods. Predictors of the number of periods with an eye examination evaluated were beneficiary demographic characteristics, income, health, cognitive and physical function, health behaviors, subjective beliefs about longevity, the length of the individual's financial planning horizon, supplemental health insurance coverage, eye disease diagnoses, and low vision/blindness at baseline. We performed logit analysis of the number of 15-month periods in which beneficiaries received an eye examination. MAIN OUTCOME MEASURES The primary outcome measure was the number of 15-month periods with an eye examination. RESULTS One third of beneficiaries with the study's chronic diseases saw an eye care provider in all 4 follow-up periods despite having Medicare. One quarter only obtained an eye examination at most during 1 of the four 15-month follow-up periods. Among the 3 groups of patients studied, utilization was particularly low for persons with diagnosed DM and no eye complications. Age, marriage, education, and a higher score on the Charlson index were associated with more periods with an eye examination. Male gender, being limited in instrumental activities of daily living at baseline, distance to the nearest ophthalmologist, and low cognitive function were associated with a reduction in frequency of eye examinations. CONCLUSIONS Rates of eye examinations for elderly persons with DM or frequently occurring eye diseases, especially for DM, remain far below recommended levels in a nationally representative sample of persons with health insurance coverage. Several factors, including limited physical and cognitive function and greater distance to an ophthalmologist, but not health insurance coverage, account for variation in regular use.
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Affiliation(s)
- Frank A Sloan
- Department of Economics, Duke University, Durham, North Carolina.
| | | | - Yiqun Chen
- Department of Economics, Duke University, Durham, North Carolina
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30
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Xiong S, Xu X. [The option of neuroprotective therapeutics for glaucoma]. Zhonghua Yan Ke Za Zhi 2014; 50:630-633. [PMID: 25385383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Glaucoma is the second common cause of irreversible blindness worldwide associated with a progressive neurodegenerative disease of retinal ganglion cells (RGC). The major hypothetical mechanisms of the apoptosis of RGCs includes deprivation of neurotrophic factors, excitotoxicity mediated by the interaction of glutamate with NMDAR. This article reviewed current development of three kinds of neuroprotective drugs for glaucoma management such as small-molecule therapeutics, recombinant therapeutic proteins and small-molecule bioactive peptides. Particularly, small peptides, which show high target specificity, high potency and low toxicity compared with small molecules, possession of the advantages of low immunogenicity and high cost-effectiveness over recombinant therapeutics, may become most important choice for neuroprotection against glaucoma of next generation.
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Affiliation(s)
- Shuyu Xiong
- Department of Ophthalmology, Shanghai Jiaotong University Affiliated First People's Hospital, Shanghai 200080, China
| | - Xun Xu
- Department of Ophthalmology, Shanghai Jiaotong University Affiliated First People's Hospital, Shanghai 200080, China.
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31
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Ahn HR, Lee HJ, Kim KA, Kim CY, Nho CW, Jang H, Pan CH, Lee CY, Jung SH. Hydroxycinnamic acids in Crepidiastrum denticulatum protect oxidative stress-induced retinal damage. J Agric Food Chem 2014; 62:1310-1323. [PMID: 24428171 DOI: 10.1021/jf4046232] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
We investigated the effects of an ethanol extract of C. denticulatum (EECD) in a mouse model of glaucoma established by optic nerve crush (ONC), and found that EECD significantly protected against retinal ganglion cell (RGC) death caused by ONC. Furthermore, EECD effectively protected against N-methyl-d-aspartate-induced damage to the rat retinas. In vitro, EECD attenuated transformed retinal ganglion cell (RGC-5) death and significantly blunted the up-regulation of apoptotic proteins and mRNA level induced by 1-buthionine-(S,R)-sulfoximine combined with glutamate, reduced reactive oxygen species production by radical species, and inhibited lipid peroxidation. The major EECD components were found to be chicoric acid and 3,5-dicaffeoylquinic acid (3,5-DCQA) that have shown beneficial effects on retinal degeneration both in vitro and in vivo studies. Thus, EECD could be used as a natural neuroprotective agent for glaucoma, and chicoric acid and 3,5-DCQA as mark compounds for the development of functional food.
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Affiliation(s)
- Hong Ryul Ahn
- Functional Food Center, Korea Institute of Science and Technology (KIST) , Daejeon-dong, Gangneung 210-340, Republic of Korea
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Hoffmann EM, Miglior S, Zeyen T, Torri V, Rulli E, Aliyeva S, Floriani I, Cunha-Vaz J, Pfeiffer N. The Heidelberg retina tomograph ancillary study to the European glaucoma prevention study: study design and baseline factors. Acta Ophthalmol 2013; 91:e612-9. [PMID: 23710686 DOI: 10.1111/aos.12180] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE To describe the study design and baseline factors of the Heidelberg Retina Tomograph ancillary study within the EGPS. Furthermore, to examine the relationship between HRT optic disc topographic measurements and baseline demographic and ocular factors. METHODS Four hundred and eighty-nine ocular hypertensive participants were included. Each participant completed HRT imaging at least annually. The associations between HRT measurements and IOP, central corneal thickness (CCT), baseline photographic estimates of vertical CDR ratio (CDR), asymmetry between the two eyes in CDR ratio and baseline visual field indices were assessed using regression analysis. RESULTS Associations between HRT measurements and vertical CDR by photographs were found for almost all stereometric optic disc parameters in both univariate and multivariate analysis. The strongest association was found between vertical CDR measurements and disc, cup and rim area; cup and rim volume, CDR area, linear CDR, mean and maximum cup depth and cup shape measure (all p < 0.0001). In multivariate analysis, pattern standard deviation (PSD) and HRT disc area had significant associations with several HRT optic disc measurements. Furthermore, CCT was significantly associated with reference height and the glaucoma probability score (GPS, outside normal limits). CONCLUSIONS The EGPS is the first multicentre, placebo-controlled randomized clinical trial to use HRT for monitoring optic disc changes in participants with ocular hypertension. We found strong associations between stereophotographic vertical CDR estimates, HRT disc area, PSD and several HRT parameters. We found, furthermore, that the parameters reference height and GPS were significantly related to central corneal thickness.
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Affiliation(s)
- Esther M Hoffmann
- Department of Ophthalmology, University Medical Center Mainz, Mainz, GermanyDepartment of Ophthalmology, University of Milan, Monza, ItalyLeuven University Hospitals, Leuven, BelgiumInstitute Mario Negri, Milan, ItalyDepartment of Ophthalmology, Coimbra University Hospital, Coimbra, Portugal
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Wang NL. [Emphasis on promotion of the adaptive technology is the sky point of improving of treatment and prevention level of glaucoma]. Zhonghua Yan Ke Za Zhi 2013; 49:961-962. [PMID: 24512993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Promoting the control of primary angle-closure glaucoma (PACG) and primary open angle glaucoma (POAG) is most important prevention program of blindness in China. PACG has been incorporated into the prevention program of blindness in China based on the population-based screening studies. However, the clinical screening should be strengthened in POAG. The creation of a series of appropriate technologies suitable for glaucoma prevention and management has been achieved in China, especially for PACG. The technologies have been evaluated in the pilot areas and obtained very good results in China. It is recommended to develop new technology suitable for glaucoma management using the following workflow: research, development, and evaluation by large scale hospitals, and then clinical trial in the pilot areas. After a cost-benefit analysis is made, the new technology can be promoted and applied in clinical practice nationwide. We propose to gradually formed a strategical mode of "screening in township hospitals, intervention in county hospitals, and technical support and tackling in provincial hospitals" in order to improve the level of prevention and treatment of glaucoma and reduce the blindness incidence rate caused by glaucoma.
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Affiliation(s)
- Ning-li Wang
- Beijing Tongren Eye Center,Beijing Tongren Hospital, Capital Medical University, Beijing institute of Ophthalmology, Beijing Ophthalmology & Visual Science Key Lab., Beijing 100730, China.
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34
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Olson EA, Hainsworth DP, Davis G, Hagan JC. Eye on statins: A comprehensive review. Mo Med 2013; 110:344-348. [PMID: 24003655 PMCID: PMC6179885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Over the last 25 years, statins have demonstrated their safety from an ophthalmologic standpoint. Studies relating statin to cataract formation are insufficient to alter the usual and customary prescription of statins. If there is an association between statins and cataracts, it is weak and clinically insignificant. Prospective studies have not demonstrated a benefit of adding statin therapy in patients with age-related macular degeneration (ARMD), but these studies have not been adequately powered to detect moderate differences. A subset of patients with persistently elevated lipids despite taking statins may be at higher risk of developing wet ARMD. The use of statins for the prevention and/ or treatment of glaucoma patients warrants further prospective study. There is a possibility that statins may unmask or exacerbate myasthenia gravis.
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Affiliation(s)
- Evan A Olson
- Mason Eye Institute, University of Missouri, USA.
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35
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What can you tell me about glaucoma prevention and treatment? Duke Med Health News 2013; 19:8. [PMID: 23802332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
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36
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Mykheĭtseva IM. [Protective action of melatonin in experimental glaucoma in rats]. Fiziol Zh (1994) 2013; 59:78-83. [PMID: 23713353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
We explored the melatonin influence on the level of amino acid neurotransmitters of the retina in glaucoma neuropathy in rats. Glaucoma was caused by the prolong systemic introduction of adrenalin. In the study 3 groups were participated: control animals; the model of glaucoma; the model of glaucoma treated with melatonin (M) in the dose 0.1 mg/kg during 1 month. In a vitreous body, as place of retina neuromediator accumulation, free amino acids (AA) were determined with the method of ion-exchange chromatography. It was revealed that in adrenalin-induced glaucoma neuropathy the retina mediator profile was changed, namely, exciting glutamate and aspartate levels were increased and inhibit GABA and glycine levels were decreased, resulting in a rise of excitatory index (EI) by 55%. The disbalance of AA neuromediators to a great extent was normalized by prolonged M introduction. A decrease under M influence of excitatory AA gutamate and aspartate and an increase of inhibitory AA resulted in the decline of EL by 27% when compared to the untreated group. Thus, reduction of excitatory impuls in retina under influence of M can determine its neuroprotective activity in glaucoma neuropathy.
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Affiliation(s)
- E Pringle
- Sussex Eye Hospital, Brighton BN2 5BF, UK.
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Tourtas T, Birke MT, Kruse FE, Welge-Lüssen UC, Birke K. Preventive effects of omega-3 and omega-6 Fatty acids on peroxide mediated oxidative stress responses in primary human trabecular meshwork cells. PLoS One 2012; 7:e31340. [PMID: 22319624 PMCID: PMC3272013 DOI: 10.1371/journal.pone.0031340] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2011] [Accepted: 01/06/2012] [Indexed: 11/18/2022] Open
Abstract
Pathologic processes in glaucoma include increased apoptosis, accumulation of extracellular material in the trabecular meshwork and optic nerve, condensations of the cytoskeleton and precocious cellular senescence. Oxidative stress was shown to generate these alterations in primary ocular cells. Fatty acids omega-3 and -6 are alleged to constitute a prophylaxis against these deleterious effects. Here, we tested actual preventive effects omega-3 and -6 against peroxide induced stress responses in primary human trabecular meshwork cells. Changes of mitochondrial activity, proliferation, heat shock proteins, extracellular matrix components, and inflammatory markers were evaluated. Alterations of the cytoskeleton were evaluated by phalloidin labeling. Here we report a repressive effect of omega-6 on metabolic activity and proliferation, which was not detected for omega-3. Both agents were able to prevent the anti-proliferative effect of H2O2, but only omega-3 prevented metabolic repression. Expression of heat shock protein 27 was unaltered by both fatty acids, whereas heat shock protein 90 was significantly induced by both. Omega-6 increased fibronectin and connective tissue growth factor synthesis, as well as the amount of secreted fibronectin. Omega-3, instead, induced plasminogen activator inhibitor 1 synthesis. H2O2 further increased fibronectin production in omega-6 supplemented cells, which was not the case in omega-3 treated cells. H2O2 stimulation of plasminogen activator inhibitor 1 and connective tissue growth factor was repressed by both fatty acids. Both fatty acids appeared to abolish H2O2 mediated stimulation of nuclear factor κB and IL-6, but not IL-1α and IL-8. H2O2 induced formation of cross-linked actin networks and stress fibers, which was reduced by preemptive application of omega-3. Omega-6, in contrast, had no protective effect on that, and even seemed to promote condensation. Based on the observed side effects of omega-6, omega-3 appears to be the more beneficial fatty acid in respect of prophylactic intake for prevention of a glaucomatous disease.
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Affiliation(s)
- Theofilos Tourtas
- Department of Ophthalmology, University Hospital Erlangen, Erlangen, Germany
| | - Marco T. Birke
- Department of Ophthalmology, University Hospital Erlangen, Erlangen, Germany
| | - Friedrich E. Kruse
- Department of Ophthalmology, University Hospital Erlangen, Erlangen, Germany
| | | | - Kerstin Birke
- Department of Ophthalmology, University Hospital Erlangen, Erlangen, Germany
- * E-mail:
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Dimovska-Jordanova A. Neuroprotection in glaucoma--delusion, reality or hope? Pril (Makedon Akad Nauk Umet Odd Med Nauki) 2012; 33:163-173. [PMID: 23425879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
The global definition of glaucoma considers it as an optic neuropathy with multifactor etiology, which affects the optic nerve head (ONH), provoking visual field loss and permanent impairment of visual function. Bearing in mind the fact that the exact pathogenic mechanism is still not completely established, glaucoma treatment strategies so far are based upon the identification of glaucoma risk factors. Among them, only elevated intraocular pressure (IOP) could undergo therapeutic treatment. However, in spite of the adequate therapy and IOP lowering, very often the disease is still progressing, leading to definite visual loss and permanent blindness. This especially refers to "normal tension glaucoma". Over the last decade, there has been significant scientific research on new strategies for the delay or prevention of retinal ganglion cell loss (RGC), which is the basic pathophysiological event that initiates the cascade of processes leading to optic atrophy. Therefore, a great deal of expectation has been put on the concept of what is known as "neuroprotection". This includes the development of treatment strategies (pharmacological, immunological, genetic) that would be capable of preventing apoptotic death of retinal ganglion cells. The concept of neuroprotection is based upon increasing evidence that glaucoma degeneration is analogous with other neurodegenerative diseases of the central nervous system suggesting a strong relation between the basic cellular processes in glaucoma and Alzheimer's disease, for example. It is considered that retinal ganglion cell death goes through two phases--primary injury responsible for initiation of damage that is followed by slower secondary degeneration related to a harmful environment surrounding the degenerated cells. Neuroprotection in glaucoma refers to any intervention that is aimed at prevention of the optic nerve head injury and ganglion cells death. Pharmacological intervention is aimed at neutralizing some of the effects of the nerve-derived toxic factors by increasing the ability of the remaining neurons to cope with stressful conditions. On the other hand, immunological reaction stimulates the body's repair mechanisms so as to hinder the toxic effects of various chemical agents generated during pathological events.
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Thatte S. Venous thrombosis in ophthalmology. J Indian Med Assoc 2012; 110:55. [PMID: 23029836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
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Fen'kova OG, Fursova AZ, Gusarevich OG. [Perinatal risk factors of congenital glaucoma]. Vestn Oftalmol 2011; 127:47-49. [PMID: 22165101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
The aim is to estimate extragenital diseases, course of pregnancy and delivery in mothers of children with congenital glaucoma and to study somatic and neurological status of these children. Extragenital comorbidity was found in 76.3% of studied women. 47.6% of women had burdened obstetric history. In the majority of cases there were complications of the present pregnancy. 30.9% of pregnancies resulted in premature birth. In 69.14% of children comorbidity was revealed. Thus the early diagnosis and treatment of comorbidity are essential in women. Treatment and rehabilitation of children with glaucoma requires multidisciplinary approach including ophthalmologist, neurologist and pediatricians.
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Belforte N, Sande PH, de Zavalía N, Fernandez DC, Silberman DM, Chianelli MS, Rosenstein RE. Ischemic tolerance protects the rat retina from glaucomatous damage. PLoS One 2011; 6:e23763. [PMID: 21887313 PMCID: PMC3161053 DOI: 10.1371/journal.pone.0023763] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2011] [Accepted: 07/24/2011] [Indexed: 11/19/2022] Open
Abstract
Glaucoma is a leading cause of acquired blindness which may involve an ischemic-like insult to retinal ganglion cells and optic nerve head. We investigated the effect of a weekly application of brief ischemia pulses (ischemic conditioning) on the rat retinal damage induced by experimental glaucoma. Glaucoma was induced by weekly injections of chondroitin sulfate (CS) in the rat eye anterior chamber. Retinal ischemia was induced by increasing intraocular pressure to 120 mmHg for 5 min; this maneuver started after 6 weekly injections of vehicle or CS and was weekly repeated in one eye, while the contralateral eye was submitted to a sham procedure. Glaucoma was evaluated in terms of: i) intraocular pressure (IOP), ii) retinal function (electroretinogram (ERG)), iii) visual pathway function (visual evoked potentials, (VEPs)) iv) histology of the retina and optic nerve head. Retinal thiobarbituric acid substances levels were assessed as an index of lipid peroxidation. Ischemic conditioning significantly preserved ERG, VEPs, as well as retinal and optic nerve head structure from glaucomatous damage, without changes in IOP. Moreover, ischemia pulses abrogated the increase in lipid peroxidation induced by experimental glaucoma. These results indicate that induction of ischemic tolerance could constitute a fertile avenue for the development of new therapeutic strategies in glaucoma treatment.
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Affiliation(s)
- Nicolás Belforte
- Laboratory of Retinal Neurochemistry and Experimental Ophthalmology, Department of Human Biochemistry, School of Medicine, University of Buenos Aires/CEFyBO, CONICET, Buenos Aires, Argentina
- Laboratory of Histology, School of Medicine, University of Morón, Pcia de Buenos Aires, Argentina
| | - Pablo H. Sande
- Laboratory of Retinal Neurochemistry and Experimental Ophthalmology, Department of Human Biochemistry, School of Medicine, University of Buenos Aires/CEFyBO, CONICET, Buenos Aires, Argentina
| | - Nuria de Zavalía
- Laboratory of Retinal Neurochemistry and Experimental Ophthalmology, Department of Human Biochemistry, School of Medicine, University of Buenos Aires/CEFyBO, CONICET, Buenos Aires, Argentina
| | - Diego C. Fernandez
- Laboratory of Retinal Neurochemistry and Experimental Ophthalmology, Department of Human Biochemistry, School of Medicine, University of Buenos Aires/CEFyBO, CONICET, Buenos Aires, Argentina
- Laboratory of Histology, School of Medicine, University of Morón, Pcia de Buenos Aires, Argentina
| | - Dafne M. Silberman
- Laboratory of Retinal Neurochemistry and Experimental Ophthalmology, Department of Human Biochemistry, School of Medicine, University of Buenos Aires/CEFyBO, CONICET, Buenos Aires, Argentina
| | - Mónica S. Chianelli
- Laboratory of Retinal Neurochemistry and Experimental Ophthalmology, Department of Human Biochemistry, School of Medicine, University of Buenos Aires/CEFyBO, CONICET, Buenos Aires, Argentina
| | - Ruth E. Rosenstein
- Laboratory of Retinal Neurochemistry and Experimental Ophthalmology, Department of Human Biochemistry, School of Medicine, University of Buenos Aires/CEFyBO, CONICET, Buenos Aires, Argentina
- * E-mail:
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Grosvenor D, Hennis A. Glaucoma in the English-speaking Caribbean. W INDIAN MED J 2011; 60:459-463. [PMID: 22097678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
The Barbados Eye Studies have provided the most comprehensive information on the major eye diseases in African origin populations to date. Black Barbadians have among the highest rates of primary open-angle glaucoma (OAG) reported to date in a population-based study (7.0%). Incidence rates of OAG over a nine-year follow-up period were 0.5% per year, and two to five times higher than reported in predominantly Caucasian populations. Risk factors for OAG included older age, male gender higher intraocular pressure, positive glaucoma family history, in addition to lean body mass and a positive cataract history. Low blood pressure to intraocular pressure relationships were also found to increase OAG risk, suggesting an aetiologic role for low vascular perfusion of the optic nerve. Recent analyses revealed a region on chromosome 2 associated with increased OAG risk, which has potential implications for early diagnosis and treatment. Approximately 50% of Barbadians with OAG were unaware of having the disease in the baseline study and this situation remained unchanged nine years later open-angle glaucoma causes painless, irreversible loss of vision and there are clear reasons why screening may be of particular public health importance in high risk African descent populations, given the benefits of early detection and appropriate treatment. There are data that suggest that it would be cost-effective to conduct open-angle glaucoma screening in Barbados and this has implications for policy and care, with the ultimate aim of reducing glaucoma-related blindness.
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Affiliation(s)
- D Grosvenor
- Queen Elizabeth Hospital, Martindale's Road, St Michael, Barbados
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Cheremukhina OM. [Availability of patients living in rural areas, to have surgical method of treatment of cataract and glaucoma]. Lik Sprava 2011:138-143. [PMID: 22416380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Using modern surgical treatment on patients that live in rural areas, with cataract and glaucoma is not sufficient. There is insufficient expertise of ophthalmologists, low level of human, logistical and financial resource support for eye hospitals, low level of motivation and socio-psychological problems among patients, creating a favorable situation in Ukraine for further growth of low vision and blindness in rural areas. Institutional solutions of existing problems are proposed.
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Scott A, Kotecha A, Bunce C, Balidis M, Garway-Heath DF, Miller MH, Wormald R. YAG Laser Peripheral Iridotomy for the Prevention of Pigment Dispersion Glaucoma. Ophthalmology 2011; 118:468-73. [PMID: 21035866 DOI: 10.1016/j.ophtha.2010.07.026] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2009] [Revised: 07/14/2010] [Accepted: 07/29/2010] [Indexed: 11/29/2022] Open
Affiliation(s)
- Andrew Scott
- Glaucoma Service, Moorfields Eye Hospital, London, United Kingdom.
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Zhao JL. [To construct the national system for the management of glaucoma]. Zhonghua Yan Ke Za Zhi 2011; 47:97-100. [PMID: 21426836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
It is important and necessary to strength the prevention and treatment of glaucoma, since glaucoma is a serious irreversible blinding disease. Although we have done a lot of works in the prevention and treatment of glaucoma in China, there still exist some problems as follows: prevention and treatment of glaucoma have not been taken as the priority in the prevention of blindness, the national ranks and organizations for the prevention and treatment of glaucoma have not been established, the knowledge on glaucoma has not been popularized and updated in ophthalmologists, the supply network of glaucoma medicine has not been organized, the knowledge for prevention of glaucoma has not been disseminated in the public. For settling these problems, we should construct the national system for the management of glaucoma. Its major goal is to raise the detection rate of the glaucoma patients, to decrease the blinding rate caused by glaucoma, to improve the life quality of glaucoma patients, and to save the social cost from the glaucoma blindness. For better conducting these work, we should take the public health path, not only rely on the clinical path. In constructing the national system for the management of glaucoma, we may start out to organize the organizations for prevention and treatment of glaucoma matching with the local socio-economic status, to train and educate the professional teams for the prevention and treatment of glaucoma, to formulate the rules and regulations for managing glaucoma, and to strength the research works for the glaucoma.
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Caprioli J. IOP: quantity and quality. Bull Soc Belge Ophtalmol 2011:7-10. [PMID: 21560850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Affiliation(s)
- Joseph Caprioli
- Jules Stein Eye Institute, The David Geffen School of Medicine, Los Angeles, CA 90095, USA
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Neacşu AM. [Glaucoma County Center]. Oftalmologia 2011; 55:48-49. [PMID: 21888068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Sunday 10 April it was opened in Braila Regional Centre of Glaucoma. It was located in the hospital in a new and modern space. The Braila Regional Glaucoma Centre will desire to monitoring and excellent diagnosis in Glaucoma.
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Vision. Preserving your sight as you age. Mayo Clin Health Lett 2010; Suppl:1-8. [PMID: 21069892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
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