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Feenstra HMA, van Dijk EHC, Cheung CMG, Ohno-Matsui K, Lai TYY, Koizumi H, Larsen M, Querques G, Downes SM, Yzer S, Breazzano MP, Subhi Y, Tadayoni R, Priglinger SG, Pauleikhoff LJB, Lange CAK, Loewenstein A, Diederen RMH, Schlingemann RO, Hoyng CB, Chhablani JK, Holz FG, Sivaprasad S, Lotery AJ, Yannuzzi LA, Freund KB, Boon CJF. Central serous chorioretinopathy: An evidence-based treatment guideline. Prog Retin Eye Res 2024; 101:101236. [PMID: 38301969 DOI: 10.1016/j.preteyeres.2024.101236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 12/30/2023] [Accepted: 01/02/2024] [Indexed: 02/03/2024]
Abstract
Central serous chorioretinopathy (CSC) is a relatively common disease that causes vision loss due to macular subretinal fluid leakage and it is often associated with reduced vision-related quality of life. In CSC, the leakage of subretinal fluid through defects in the retinal pigment epithelial layer's outer blood-retina barrier appears to occur secondary to choroidal abnormalities and dysfunction. The treatment of CSC is currently the subject of controversy, although recent data obtained from several large randomized controlled trials provide a wealth of new information that can be used to establish a treatment algorithm. Here, we provide a comprehensive overview of our current understanding regarding the pathogenesis of CSC, current therapeutic strategies, and an evidence-based treatment guideline for CSC. In acute CSC, treatment can often be deferred for up to 3-4 months after diagnosis; however, early treatment with either half-dose or half-fluence photodynamic therapy (PDT) with the photosensitive dye verteporfin may be beneficial in selected cases. In chronic CSC, half-dose or half-fluence PDT, which targets the abnormal choroid, should be considered the preferred treatment. If PDT is unavailable, chronic CSC with focal, non-central leakage on angiography may be treated using conventional laser photocoagulation. CSC with concurrent macular neovascularization should be treated with half-dose/half-fluence PDT and/or intravitreal injections of an anti-vascular endothelial growth factor compound. Given the current shortage of verteporfin and the paucity of evidence supporting the efficacy of other treatment options, future studies-ideally, well-designed randomized controlled trials-are needed in order to evaluate new treatment options for CSC.
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Affiliation(s)
- Helena M A Feenstra
- Department of Ophthalmology, Leiden University Medical Center, Leiden, the Netherlands
| | - Elon H C van Dijk
- Department of Ophthalmology, Leiden University Medical Center, Leiden, the Netherlands
| | - Chui Ming Gemmy Cheung
- Singapore Eye Research Institution, Singapore National Eye Centre, Singapore; Duke-NUS Medical School, National University of Singapore, Singapore
| | - Kyoko Ohno-Matsui
- Department of Ophthalmology and Visual Science, Tokyo Medical and Dental University, Tokyo, Japan
| | - Timothy Y Y Lai
- Department of Ophthalmology & Visual Sciences, The Chinese University of Hong Kong, Hong Kong Eye Hospital, Kowloon, Hong Kong
| | - Hideki Koizumi
- Department of Ophthalmology, Graduate School of Medicine, University of the Ryukyus, Nishihara, Japan
| | - Michael Larsen
- Department of Ophthalmology, Rigshospitalet, Glostrup, Denmark; Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Giuseppe Querques
- Department of Ophthalmology, University Vita-Salute, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Susan M Downes
- Oxford Eye Hospital, John Radcliffe Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, UK; Nuffield Laboratory of Ophthalmology, Nuffield Department of Clinical Neuroscience, University of Oxford, Oxford, UK
| | - Suzanne Yzer
- Department of Ophthalmology, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Mark P Breazzano
- Retina-Vitreous Surgeons of Central New York, Liverpool, NY, USA; Department of Ophthalmology & Visual Sciences, State University of New York Upstate Medical University, Syracuse, NY, USA
| | - Yousif Subhi
- Department of Ophthalmology, Rigshospitalet, Copenhagen, Denmark; Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Ramin Tadayoni
- Ophthalmology Department, AP-HP, Hôpital Lariboisière, Université de Paris, Paris, France
| | - Siegfried G Priglinger
- Department of Ophthalmology, Hospital of the Ludwig-Maximilians-University, Munich, Germany
| | - Laurenz J B Pauleikhoff
- Department of Ophthalmology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, the Netherlands; Eye Center, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Germany
| | - Clemens A K Lange
- Department of Ophthalmology, St. Franziskus Hospital, Muenster, Germany
| | - Anat Loewenstein
- Division of Ophthalmology, Tel Aviv Medical Center, Tel Aviv University, Tel Aviv, Israel
| | - Roselie M H Diederen
- Department of Ophthalmology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, the Netherlands
| | - Reinier O Schlingemann
- Department of Ophthalmology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, the Netherlands; Ocular Angiogenesis Group, Amsterdam University Medical Centers, Location AMC, University of Amsterdam, Amsterdam, the Netherlands; Department of Ophthalmology, University of Lausanne, Jules-Gonin Eye Hospital, Fondation Asile des Aveugles, Lausanne, Switzerland
| | - Carel B Hoyng
- Department of Ophthalmology, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Jay K Chhablani
- Department of Ophthalmology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Frank G Holz
- Department of Ophthalmology, University of Bonn, Bonn, Germany
| | - Sobha Sivaprasad
- NIHR Biomedical Research Centre, Moorfields Eye Hospital NHS Foundation Trust, London, UK
| | - Andrew J Lotery
- Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, UK
| | - Lawrence A Yannuzzi
- Vitreous Retina Macula Consultants of New York, New York, NY, USA; LuEsther T. Mertz Retinal Research Center, Manhattan Eye, Ear, and Throat Hospital, New York, NY, USA; Department of Ophthalmology, New York University Grossman School of Medicine, New York, USA; Department of Ophthalmology, Manhattan Eye, Ear and Throat Hospital, New York, NY, USA
| | - K Bailey Freund
- Vitreous Retina Macula Consultants of New York, New York, NY, USA; Department of Ophthalmology, New York University School of Medicine, New York, NY, USA
| | - Camiel J F Boon
- Department of Ophthalmology, Leiden University Medical Center, Leiden, the Netherlands; Department of Ophthalmology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, the Netherlands.
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Akıdan M, Erol MK, Gedik B, Doğan ME, Başol I, Süren E. Changes in Outcomes of Macular Optical Coherence Tomography Angiography Following Surgery for Optic Disc Pit Maculopathy. Diagnostics (Basel) 2024; 14:874. [PMID: 38732289 PMCID: PMC11082969 DOI: 10.3390/diagnostics14090874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 04/12/2024] [Accepted: 04/18/2024] [Indexed: 05/13/2024] Open
Abstract
PURPOSE we aimed to report on the optical coherence tomography angiography (OCTA) outcomes of eight patients with optic disc pit maculopathy (ODP-M) who were treated with 23-gauge pars plana vitrectomy (PPV). METHODS We examined sixteen eyes of eight patients-eight eyes with ODP-M and eight healthy fellow eyes. Fundus color photography, fundus autofluorescence, fundus fluorescein angiography, optical coherence tomography (OCT), and OCTA were performed. The vascular density, choriocapillaris blood flow (CCBF), and foveal avascular zone (FAZ) were analyzed using OCTA. Moreover, the correlation between the best-corrected visual acuity (BCVA) and macular OCTA parameters was assessed. RESULTS Compared with the healthy fellow eyes, the eyes with ODP-M preoperatively were found to have decreased BCVA, superficial capillary plexus (SCP) vascular density (i.e., total, foveal, parafoveal, and perifoveal), deep capillary plexus (DCP) vascular density (i.e., total, parafoveal, and perifoveal), and CCBF but a significantly increased FAZ (p < 0.05). When the eyes with ODP-M were analyzed pre- and postoperatively at month 12 after surgery, the BCVA, SCP vascular density (i.e., perifoveal), and CCBF had significantly increased, and the FAZ had significantly decreased (p < 0.05). When the eyes with ODP-M were compared with the healthy fellow eyes postoperatively at month 12, the BCVA, SCP, and DCP vascular density parameters had increased, along with CCBF, and the FAZ had decreased in eyes with ODP-M, though not to the levels of the healthy fellow eyes (p < 0.05). Moreover, a positive correlation was found between the postoperative BCVA and SCP total vascular density (p < 0.05). CONCLUSION The BCVA and macular OCTA parameters improved in eyes with ODP-M at month 12 following surgery. However, the BCVA and OCTA of the eyes operated on did not reach the levels of the healthy fellow eyes, possibly due to impaired choroidal blood flow (CBF) recovery and the presence of a larger FAZ. In summary, OCTA seems to be useful for assessing qualitative and quantitative perioperative microvascular changes.
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Affiliation(s)
- Melih Akıdan
- Department of Ophthalmology, Antalya Akseki State Hospital, 07630 Antalya, Turkey
| | - Muhammet Kazım Erol
- Department of Ophthalmology, Antalya Training and Research Hospital, University of Health Sciences, 07100 Antalya, Turkey; (M.K.E.); (E.S.)
| | - Birumut Gedik
- Department of Ophthalmology, Antalya Serik State Hospital, 07500 Antalya, Turkey;
| | | | - Ibrahim Başol
- Department of Ophthalmology, Antalya City Hospital, 07100 Antalya, Turkey;
| | - Elçin Süren
- Department of Ophthalmology, Antalya Training and Research Hospital, University of Health Sciences, 07100 Antalya, Turkey; (M.K.E.); (E.S.)
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Shukla D, Dhawan A, Kalliath J. Fundus autofluorescence imaging in chronic optic pit maculopathy: prognostic implications. Eye (Lond) 2024; 38:1014-1016. [PMID: 37857720 DOI: 10.1038/s41433-023-02792-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 09/26/2023] [Accepted: 10/10/2023] [Indexed: 10/21/2023] Open
Affiliation(s)
| | - Anuradha Dhawan
- Vitreous Retina Macula Specialists of Toronto, Toronto, ON, Canada
| | - Jay Kalliath
- Department of Ophthalmology, NMC Specialty Hospital, Abu Dhabi, UAE
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Cohen SY, Chowers I, Nghiem-Buffet S, Mrejen S, Souied E, Gaudric A. Subretinal autofluorescent deposits: A review and proposal for clinical classification. Surv Ophthalmol 2023; 68:1050-1070. [PMID: 37392968 DOI: 10.1016/j.survophthal.2023.06.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 06/20/2023] [Accepted: 06/26/2023] [Indexed: 07/03/2023]
Abstract
Subretinal autofluorescent deposits (SADs) may be found in the posterior pole, associated with very various conditions. These disorders usually present a typical pattern of autofluorescent lesions seen on short-wavelength fundus autofluorescence. We describe SADs according to their putative pathophysiological origin and also according to their clinical pattern, i.e., number, shape, and usual location. Five main putative pathophysiological origins of SADs were identified in disorders associated with an intrinsic impairment of phagocytosis and protein transportation, with excess of retinal pigment epithelium phagocytic capacity, with direct or indirect retinal pigment epithelium injury, and/or disorders associated with long-standing serous retinal detachment with mechanical separation between the retinal pigment epithelium and the photoreceptor outer segments. Clinically, however, they could be classified into eight subclasses of SADs, as observed on fundus autofluorescence as follows: single vitelliform macular lesion, multiple roundish or vitelliform lesions, multiple peripapillary lesions, flecked lesions, leopard-spot lesions, macular patterned lesions, patterned lesions located in the same area as the causal disorder, or nonpatterned lesions. Thus, if multimodal imaging may be required to diagnose the cause of SADs, the proposed classification based on noninvasive, widely available short-wavelength fundus autofluorescence could guide clinicians in making their diagnosis decision tree before considering the use of more invasive tools.
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Affiliation(s)
- Salomon Yves Cohen
- Ophthalmology Center for Imaging and Laser, Paris, France; Department of Ophthalmology, University of Paris-Est Créteil, Créteil, France.
| | - Itay Chowers
- Department of Ophthalmology, Hadassah Hospital, The Hebrew University of Jerusalem, Jerusalem, Israel
| | | | - Sarah Mrejen
- Ophthalmology Center for Imaging and Laser, Paris, France
| | - Eric Souied
- Department of Ophthalmology, University of Paris-Est Créteil, Créteil, France
| | - Alain Gaudric
- Ophthalmology Center for Imaging and Laser, Paris, France; Department of Ophthalmology, AP-HP, Hôpital Lariboisière, Université Paris Cité, Paris, France
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Mannaa AH, Issa RA, Bryan JS. Resolution of Optic Disc Pit Maculopathy Following Posterior Vitreous Detachment. JOURNAL OF VITREORETINAL DISEASES 2022; 6:419-423. [PMID: 37006907 PMCID: PMC9954928 DOI: 10.1177/24741264211046766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Purpose: This work presents a case of significant improvement of optic pit disc maculopathy following an acute posterior vitreous detachment (PVD) and discusses the possible mechanisms of this phenomenon. Methods: A case report and review of the literature are presented. Results: A 56-year-old man presenting with progressive visual decline in his left eye was found to have an optic disc pit with optical coherence tomography (OCT) evidence of severe intraretinal edema and maculoschisis. His visual acuity and macular anatomy on OCT improved dramatically in the months following a PVD. Conclusions: This report presents an interesting case of spontaneous improvement of optic disc pit–related maculopathy following PVD. We discuss the cause of the retinal fluid accumulation in optic disc pit maculopathy and consider that the OCT findings in our case lend credence to the theory that this fluid originates from the vitreous humor.
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Affiliation(s)
- Ali H. Mannaa
- Wayne State University School of Medicine, Detroit, MI, USA
| | - Reda A. Issa
- Associated Retina Consultants, Phoenix, AZ, USA
- University of Arizona College of Medicine, Phoenix, AZ, USA
| | - J. Shepard Bryan
- Associated Retina Consultants, Phoenix, AZ, USA
- University of Arizona College of Medicine, Phoenix, AZ, USA
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6
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Non-vasogenic cystoid maculopathies. Prog Retin Eye Res 2022; 91:101092. [PMID: 35927124 DOI: 10.1016/j.preteyeres.2022.101092] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 05/30/2022] [Accepted: 06/01/2022] [Indexed: 11/23/2022]
Abstract
Besides cystoid macular edema due to a blood-retinal barrier breakdown, another type of macular cystoid spaces referred to as non-vasogenic cystoid maculopathies (NVCM) may be detected on optical coherence tomography but not on fluorescein angiography. Various causes may disrupt retinal cell cohesion or impair retinal pigment epithelium (RPE) and Müller cell functions in the maintenance of retinal dehydration, resulting in cystoid spaces formation. Tractional causes include vitreomacular traction, epiretinal membranes and myopic foveoschisis. Surgical treatment does not always allow cystoid space resorption. In inherited retinal dystrophies, cystoid spaces may be part of the disease as in X-linked retinoschisis or enhanced S-cone syndrome, or occur occasionally as in bestrophinopathies, retinitis pigmentosa and allied diseases, congenital microphthalmia, choroideremia, gyrate atrophy and Bietti crystalline dystrophy. In macular telangiectasia type 2, cystoid spaces and cavitations do not depend on the fluid leakage from telangiectasia. Various causes affecting RPE function may result in NVCM such as chronic central serous chorioretinopathy and paraneoplastic syndromes. Non-exudative age macular degeneration may also be complicated by intraretinal cystoid spaces in the absence of fluorescein leakage. In these diseases, cystoid spaces occur in a context of retinal cell loss. Various causes of optic atrophy, including open-angle glaucoma, result in microcystoid spaces in the inner nuclear layer due to a retrograde transsynaptic degeneration. Lastly, drug toxicity may also induce cystoid maculopathy. Identifying NVCM on multimodal imaging, including fluorescein angiography if needed, allows guiding the diagnosis of the causative disease and choosing adequate treatment when available.
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7
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Pandit R, Agarwal D, Shah D. Double trouble: Optic disc pit maculopathy in advanced glaucoma. Indian J Ophthalmol 2022; 70:2709-2710. [PMID: 35791215 PMCID: PMC9426109 DOI: 10.4103/ijo.ijo_281_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Affiliation(s)
- Rinal Pandit
- Department of Glaucoma, Choithram Netralaya Comprehensive Eye Care Centre, Indore, Madhya Pradesh, India
| | - Deepanshu Agarwal
- Department of Glaucoma, Choithram Netralaya Comprehensive Eye Care Centre, Indore, Madhya Pradesh, India
| | - Dhaivat Shah
- Vitreoretina, Choithram Netralaya Comprehensive Eye Care Centre, Indore, Madhya Pradesh, India
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8
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Hirawat RS, Nagesha CK, Arthi M. Juxtapapillary retinochoroidal coloboma presenting with macular retinoschisis. Indian J Ophthalmol 2022; 70:2770. [PMID: 35791246 PMCID: PMC9426105 DOI: 10.4103/ijo.ijo_3042_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
Affiliation(s)
- Raj S Hirawat
- Department of Ophthalmology, Gomabai Netralaya, Neemach, Madhya Pradesh, India
| | - C K Nagesha
- Department of Vitreo-Retina, B. W. Lions Eye Hospital, Bengaluru, Karnataka, India
| | - M Arthi
- Vitreo Retinal Consultant, Rajan Eye Care Hospital, Chennai, Tamil Nadu, India
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Kang HG, Kim JD, Lee J, Byeon SH, Kim SS, Kim M. Clinical features, treatment factors, and long-term outcomes of optic disc pit maculopathy. Graefes Arch Clin Exp Ophthalmol 2022; 260:2867-2875. [PMID: 35445878 DOI: 10.1007/s00417-022-05661-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 03/29/2022] [Accepted: 04/08/2022] [Indexed: 11/04/2022] Open
Abstract
PURPOSE To assess the clinical features, treatment factors, and long-term visual and anatomical outcomes of optic disc pit maculopathy (ODPM) in Korean patients. METHODS Consecutive patients diagnosed between January 2000 and September 2020 were retrospectively reviewed. The primary outcome was best-corrected visual acuity (BCVA) and anatomical changes (determined by macular thickness reduction and fluid resorption). Secondary outcomes included factors associated with poor visual outcomes (> 3-line decrease or < 20/200 vision). RESULTS Of the 24 eyes (24 patients, mean age, 42.8 years) in this study, two peak incidence groups were noted: children younger than 14 years (six patients; mean age, 9.7 years) and middle-aged adults (18 patients; 53.8 years). There were no significant differences between groups in terms of clinical features, treatment, and outcomes (P > 0.05). The primary treatment involved immediate (7 eyes) or delayed (9) vitrectomy, laser only (2), or observation only (6). Good (50%) or partial (33%) anatomical response was noted in most cases at the final follow-up (P > 0.05). However, regression analyses showed that poor visual outcomes were associated with low preoperative BCVA (OR, 8.73; 95%CI, 1.34-56.85; P = 0.023) and delayed vitrectomy (OR, 13.00; 95%CI, 1.70-99.38; P = 0.013), while presence of intraretinal fluid in the inner and outer layers reduced the risk (OR, 0.086; 95%CI, 0.01-0.88; P = 0.039). CONCLUSION Patients with ODPM may have two peak incidence groups with similar clinical features and treatment outcomes, supporting the idea of heterogeneous mechanisms triggering fluid accumulation. Although the primary treatment choice may not impact long-term anatomical outcomes, delayed vitrectomy may be associated with poorer visual outcomes.
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Affiliation(s)
- Hyun Goo Kang
- Department of Ophthalmology, Institute of Vision Research, Severance Eye Hospital, Yonsei University College of Medicine, Yonsei-ro 50-1, Seodaemun-gu, Seoul, Republic of Korea.,Translational Genome Informatics Laboratory, Department of Biomedical Systems Informatics, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Jung Dong Kim
- Department of Ophthalmology, Institute of Vision Research, Gangnam Severance Hospital, Yonsei University College of Medicine, Eonjuro 211, Gangnam-gu, 06273, Seoul, Republic of Korea
| | - Junwon Lee
- Department of Ophthalmology, Institute of Vision Research, Gangnam Severance Hospital, Yonsei University College of Medicine, Eonjuro 211, Gangnam-gu, 06273, Seoul, Republic of Korea
| | - Suk Ho Byeon
- Department of Ophthalmology, Institute of Vision Research, Severance Eye Hospital, Yonsei University College of Medicine, Yonsei-ro 50-1, Seodaemun-gu, Seoul, Republic of Korea
| | - Sung Soo Kim
- Department of Ophthalmology, Institute of Vision Research, Severance Eye Hospital, Yonsei University College of Medicine, Yonsei-ro 50-1, Seodaemun-gu, Seoul, Republic of Korea
| | - Min Kim
- Department of Ophthalmology, Institute of Vision Research, Gangnam Severance Hospital, Yonsei University College of Medicine, Eonjuro 211, Gangnam-gu, 06273, Seoul, Republic of Korea.
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Mangum AJ. Case Report: Bilateral Cecocentral Visual Field Defect Secondary to Congenital Optic Disc Pit. Optom Vis Sci 2022; 99:308-314. [PMID: 35001062 DOI: 10.1097/opx.0000000000001864] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
SIGNIFICANCE Congenital optic disc pits are known to cause complications, commonly maculopathy due to retinoschisis and/or neurosensory retinal detachment. Retinal nerve fiber layer defects with associated visual field defects without maculopathy are another complication and can result in decreased visual function but have rarely been reported in the literature, especially bilaterally. PURPOSE This case report describes a patient with bilateral cecocentral visual field defects due to congenital optic nerve pits without associated maculopathy. CASE REPORT A 42-year-old Black man presented with blur symptoms at near uncorrected. Of note, there was no history of substance abuse or nutritional deficiencies. Best-corrected acuities were 20/20 in the right eye and 20/30 in the left eye. Clinical examination revealed bilateral focal grayish depression of the temporal optic nerve cup with associated papillomacular retinal nerve fiber layer defects. Optical coherence tomography (OCT) imaging revealed bilateral focal excavation of the temporal cup, temporal thinning of the retinal nerve fiber layer, and correlated binasal thinning of the ganglion cell complex, in the absence of retinoschisis or neurosensory detachment. Threshold visual field testing revealed stable bilateral cecocentral visual field defects. A diagnosis of bilateral cecocentral visual field defect secondary to congenital optic disc pits was made based on the patient's history and clinical examination. CONCLUSIONS A cecocentral visual field defect, unrelated to maculopathy, is a less common complication of congential optic disc pits that can cause decreased visual function. This case report provides evidence of this bilateral ocular condition and reviews the reported clinical, OCT, and threshold visual field manifestations of the disease. Specifically, spectral-domain OCT ganglion cell analysis seems useful in localizing the visual field defect.
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11
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Bloch E, Flores-Sánchez B, Georgiadis O, Sundaram V, Saihan Z, Mahroo OA, Webster AR, da Cruz L. AN ASSOCIATION BETWEEN STELLATE NONHEREDITARY IDIOPATHIC FOVEOMACULAR RETINOSCHISIS, PERIPHERAL RETINOSCHISIS, AND POSTERIOR HYALOID ATTACHMENT. Retina 2021; 41:2361-2369. [PMID: 33840784 PMCID: PMC7611880 DOI: 10.1097/iae.0000000000003191] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE Stellate nonhereditary idiopathic foveomacular retinoschisis is a disorder characterized by splitting of the retina at the macula, without a known underlying mechanical or inherited cause. This study investigates demographic, anatomical, and functional characteristics of subjects with stellate nonhereditary idiopathic foveomacular retinoschisis, to explore potential underlying mechanisms. METHODS In this single-site, retrospective, and cross-sectional, observational study, data were collected from 28 eyes from 24 subjects with stellate nonhereditary idiopathic foveomacular retinoschisis. Descriptive statistics were reported, based on the observed anatomico-functional features. RESULTS The visual acuity remained stable (median 20/20) in all subjects over a median follow-up of 17 months. All cases demonstrated foveomacular retinoschisis within Henle's fiber layer, at the junction of the outer plexiform and outer nuclear layers. This schisis cavity extended beyond the limits of the macular OCT temporally in all eyes. In most affected eyes, there were documented features of peripheral retinoschisis and broad attachment of the posterior hyaloid at the macula. Functional testing in a cross-sectional subset demonstrated normal retinal sensitivity centrally but an absolute scotoma peripherally. CONCLUSION Stellate nonhereditary idiopathic foveomacular retinoschisis seems to be associated with peripheral retinoschisis and anomalous or incomplete posterior hyaloid detachment. Despite chronic manifestation, this does not significantly affect central visual function but can manifest with profound loss of peripheral visual function.
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Affiliation(s)
- Edward Bloch
- Moorfields Eye Hospital NHS Foundation Trust, London, United Kingdom
- Institute of Ophthalmology, University College London, United Kingdom
- Wellcome EPSRC Centre for Interventional and Surgical Sciences, University College London, United Kingdom
| | - Blanca Flores-Sánchez
- Moorfields Eye Hospital NHS Foundation Trust, London, United Kingdom
- Institute of Ophthalmology, University College London, United Kingdom
| | - Odysseas Georgiadis
- Moorfields Eye Hospital NHS Foundation Trust, London, United Kingdom
- Institute of Ophthalmology, University College London, United Kingdom
| | - Venki Sundaram
- Department of Ophthalmology, Luton and Dunstable University Hospital, United Kingdom
| | - Zubin Saihan
- Moorfields Eye Hospital NHS Foundation Trust, London, United Kingdom
| | - Omar A. Mahroo
- Moorfields Eye Hospital NHS Foundation Trust, London, United Kingdom
- Institute of Ophthalmology, University College London, United Kingdom
| | - Andrew R. Webster
- Moorfields Eye Hospital NHS Foundation Trust, London, United Kingdom
- Institute of Ophthalmology, University College London, United Kingdom
| | - Lyndon da Cruz
- Moorfields Eye Hospital NHS Foundation Trust, London, United Kingdom
- Institute of Ophthalmology, University College London, United Kingdom
- Wellcome EPSRC Centre for Interventional and Surgical Sciences, University College London, United Kingdom
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12
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Oli A, Balakrishnan D. Treatment outcomes of optic disc pit maculopathy over two decades. Ther Adv Ophthalmol 2021; 13:25158414211027715. [PMID: 34263136 PMCID: PMC8252332 DOI: 10.1177/25158414211027715] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Accepted: 06/07/2021] [Indexed: 11/17/2022] Open
Abstract
Aim To study the long-term outcomes of optic disc pit maculopathy. Methods Electronic medical records of 154 patients with optic disc pit were reviewed and 50 patients with optic disc pit maculopathy who met the study criteria were included in the study. Demographic profile of patients, along with clinical characteristics, optical coherence tomography (OCT) features and change in best-corrected visual acuity (BCVA) was recorded. Patients were treated either by observation, barrage laser alone or pars plana vitrectomy (PPV) with optional additional surgical procedures. The primary outcome measures were the change in BCVA and resolution of fluid on OCT. Results The mean age of patients was 29.96 years (3-62 years) with a follow-up of 27.16 months. The mean baseline BCVA in observation, laser and vitrectomy group was log MAR 0.94, 0.76 and 0.87 and final BCVA was log MAR 0.9, 0.67 and 0.46, respectively. There was a statistically significant improvement in the final BCVA and reduction in subretinal fluid with resolution of the schisis cavity in vitrectomy group than in other groups. On regression analysis significant association was found between final BCVA with baseline BCVA (R 2 = 0.815, p = 0.002), use of C3 F8 endotempanode (p = 0.004) ILM peeling (p = 0.012) and use of triamcinolone (TA; p = 0.003). No significant association was found with juxtapapillary endolaser (p = 0.062). Conclusions In patients with disc pit maculopathy, PPV lead to better functional and anatomical outcomes as compared to laser or observation alone. Use of surgical adjuvants like ILM peeling, TA and C3F8 tamponade improved the outcomes, unlike juxtapapillary endolaser treatment.
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Affiliation(s)
- Avadhesh Oli
- Smt Kanuri Santhamma Centre of Vitreoretinal diseases, LV Prasad Eye Institute, Kallam Anji Reddy Campus, L. V. Prasad Marg, Banjara Hills, Hyderabad 500034, Telangana, India
| | - Divya Balakrishnan
- Smt Kanuri Santhamma Centre of Vitreoretinal diseases, LV Prasad Eye Institute, Hyderabad, India
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13
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Muftuoglu IK, Tokuc EO, Karabas VL. Management of optic disc pit-associated maculopathy: A case series from a tertiary referral center. Eur J Ophthalmol 2021; 32:1720-1727. [PMID: 34132128 DOI: 10.1177/11206721211023727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
PURPOSE To report outcomes of pars plana vitrectomy (PPV) combined with internal limiting membrane (ILM) stuffing technique in patients with optic disc pit associated maculopathy (ODP-M). METHODS Data including best-corrected visual acuity (BCVA), central macular thickness (CMT), foveal center point thickness (FCP), and maximum height of fluid (max_fluid) (intraretinal or subretinal) were collected from the medical records of the patients. RESULTS Six eyes of six patients with a mean age of 28.0 ± 17.68 years (range: 9-53 year) underwent PPV + ILM plug surgery. The mean follow-up duration was 25.62 ± 26.11 months (range: 11.80-78.00 month) duration. The mean BCVA increased from 1.25 ± 1.04 logMAR (20/355, Snellen equivalent) to 0.86 ± 1.09 logMAR (20/144, Snellen equivalent) at last follow-up (p = 0.043). Compared to baseline, CMT, FCP, and max_fluid significantly decreased at all visits after the surgery (p < 0.05 for all visits). At last follow-up, 66.6% of the eyes (four eyes) showed complete resolution of fluid at a mean of 5.25 ± 4.99 months (range: 1-12 months) after the surgery. CONCLUSION PPV with ILM plug seemed to be an effective surgical technique in ODP-M. Studies with longer follow-up and higher number of patients are needed to confirm our results.
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Affiliation(s)
- Ilkay Kilic Muftuoglu
- Istanbul Training and Research Hospital, Department of Ophthalmology, Istanbul, Turkey
| | - Ecem Onder Tokuc
- University of Health Sciences Derince Training and Research Hospital, Department of Ophthalmology, Kocaeli, Turkey
| | - V Levent Karabas
- Kocaeli University School of Medicine, Department of Ophthalmology, Kocaeli, Turkey
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14
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Qi SR, You E, Hebert M, Dirani A. Optic Pit Maculopathy: Adjunctive Treatment Using Oral Spironolactone and Topical Dorzolamide. Int Med Case Rep J 2021; 14:357-360. [PMID: 34079390 PMCID: PMC8165556 DOI: 10.2147/imcrj.s307057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Accepted: 05/18/2021] [Indexed: 11/25/2022] Open
Abstract
Purpose There is no consensus for the treatment of optic disc pit maculopathy (ODPM). We describe a case of ODPM refractory to vitrectomy that was successfully treated with systemic spironolactone and topical dorzolamide 2%. Methods Case report. Results A 27-year-old male was referred for decreased vision in the right eye secondary to macular edema. Fundus examination and optical coherence tomography imaging revealed an optic pit maculopathy with significant macular schisis and intraretinal fluid. After an initial observation period, we performed pars plana vitrectomy with internal limiting membrane peeling, fibrin glue, and gas endotamponade. At the 2 months postoperative follow-up, anatomic and functional outcomes remained unimproved. Oral spironolactone and topical dorzolamide 2% were, therefore, added. Significant reduction in the intraretinal fluid and macular schisis was demonstrated at the last follow-up 2 years postoperative. Conclusion The mechanisms underlying optic disc pit maculopathy remain controversial, and treatment guidelines are unclear. To our knowledge, this is the first description of an OPDM treated with a combination systemic mineralocorticoid receptor antagonist and topical carbonic anhydrase inhibitor as adjuvant therapy to vitrectomy with favorable outcomes. We also review the literature and propose mechanisms through which these treatment entities may act.
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Affiliation(s)
- Susan Ruyu Qi
- Department of Ophthalmology, Hôpital du Saint-Sacrement, Centre Hospitalier Universitaire de Québec - Université Laval, Québec City, Québec, Canada
| | - Eunice You
- Department of Ophthalmology, Hôpital du Saint-Sacrement, Centre Hospitalier Universitaire de Québec - Université Laval, Québec City, Québec, Canada
| | - Melanie Hebert
- Department of Ophthalmology, Hôpital du Saint-Sacrement, Centre Hospitalier Universitaire de Québec - Université Laval, Québec City, Québec, Canada
| | - Ali Dirani
- Department of Ophthalmology, Hôpital du Saint-Sacrement, Centre Hospitalier Universitaire de Québec - Université Laval, Québec City, Québec, Canada
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Kohli GM, Shenoy P, Khanna A, Bhatia P, Tripathi S, Thacker A, Sen A, Shukla D. Resolution Pattern and Predictors of Outcome for Optic Disc Pit - Maculopathy Following Vitrectomy: An Optical Coherence Tomography Based Morphometric Analysis. Semin Ophthalmol 2021; 36:713-718. [PMID: 33783304 DOI: 10.1080/08820538.2021.1897858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
BACKGROUND To characterize the resolution pattern and macular structure recovery of optic disc pit-maculopathy (ODP-M) following vitrectomy using spectral domain-optical coherence tomography (SD-OCT). METHODS This is a single-center, retrospective, observational case series. Serial SD-OCT scans of all consecutive eyes of ODP-M undergoing vitrectomy were evaluated to analyze the sequence of maculopathy resolution. RESULTS Subretinal fluid (SRF) resolved/reduced in 9 of 12 eyes over a mean of 6 months. For eyes showing resolution, we observed that the closure of the communication tract (CT) [1-3 months] preceded the closure of outer layer defect (OLD) [2-6 months], while SRF[1-12 months] and outer retinal fluid(ORF)[1-12 months] were the last to be resolved. Three eyes with residual SRF/macular fluid had a patent CT. CONCLUSION Maculopathy resolved in a staged manner: closure of CT preceded the closure of OLD and absorption of SRF. Non-closure of CT was associated with the persistence of maculopathy. SYNOPSIS Optic disc pit maculopathy following vitrectomy shows a staged resolution. The persistence of maculopathy is seen in eyes with non-closure of the communication tract. ABBREVIATION Key CDVA: Corrected distance visual acuityCMT: Central macular thicknessCR: Complete restorationCT: Communication tractILM: Internal limiting membraneIRF: Inner retinal fluidIR: Incomplete restorationMLF: Multilayered fluidODP-M: Optic disc pit maculopathyOLD: Outer layer defectORF: Outer retinal fluidPPV: Pars plana vitrectomyPVD: Posterior vitreous detachmentSD-OCT: Spectral Domain-Optical Coherence TomographySRF: Subretinal fluid.
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Affiliation(s)
| | | | | | | | | | | | - Alok Sen
- Department of Vitreous Retina and Uvea, Shri Sadguru Seva Sangh Trust, Sadguru Netra Chikitsalaya, Chitrakoot, Madhya Pradesh, India
| | - Dhananjay Shukla
- Department of Retina and Uvea, Ratan Jyoti Netralaya, Gwalior, Madhya Pradesh, India
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van Dijk EHC, Boon CJF. Serous business: Delineating the broad spectrum of diseases with subretinal fluid in the macula. Prog Retin Eye Res 2021; 84:100955. [PMID: 33716160 DOI: 10.1016/j.preteyeres.2021.100955] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 02/14/2021] [Accepted: 02/19/2021] [Indexed: 02/08/2023]
Abstract
A wide range of ocular diseases can present with serous subretinal fluid in the macula and therefore clinically mimic central serous chorioretinopathy (CSC). In this manuscript, we categorise the diseases and conditions that are part of the differential diagnosis into 12 main pathogenic subgroups: neovascular diseases, vitelliform lesions, inflammatory diseases, ocular tumours, haematological malignancies, paraneoplastic syndromes, genetic diseases, ocular developmental anomalies, medication-related conditions and toxicity-related diseases, rhegmatogenous retinal detachment and tractional retinal detachment, retinal vascular diseases, and miscellaneous diseases. In addition, we describe 2 new clinical pictures associated with macular subretinal fluid accumulation, namely serous maculopathy with absence of retinal pigment epithelium (SMARPE) and serous maculopathy due to aspecific choroidopathy (SMACH). Differentiating between these various diseases and CSC can be challenging, and obtaining the correct diagnosis can have immediate therapeutic and prognostic consequences. Here, we describe the key differential diagnostic features of each disease within this clinical spectrum, including representative case examples. Moreover, we discuss the pathogenesis of each disease in order to facilitate the differentiation from typical CSC.
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Affiliation(s)
- Elon H C van Dijk
- Department of Ophthalmology, Leiden University Medical Center, Albinusdreef 2, 2333 ZA, Leiden, the Netherlands
| | - Camiel J F Boon
- Department of Ophthalmology, Leiden University Medical Center, Albinusdreef 2, 2333 ZA, Leiden, the Netherlands; Department of Ophthalmology, Amsterdam University Medical Centers, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, the Netherlands.
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Frasson LT, Dalmaso B, Akamine PS, Kimura ET, Hamassaki DE, Del Debbio CB. Let-7, Lin28 and Hmga2 Expression in Ciliary Epithelium and Retinal Progenitor Cells. Invest Ophthalmol Vis Sci 2021; 62:31. [PMID: 33749722 PMCID: PMC7991968 DOI: 10.1167/iovs.62.3.31] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Accepted: 02/24/2021] [Indexed: 12/03/2022] Open
Abstract
Purpose Ciliary epithelium (CE) of adult mammalian eyes contains quiescent retinal progenitor/stem cells that generate neurospheres in vitro and differentiate into retinal neurons. This ability doesn't evolve efficiently probably because of regulatory mechanisms, such as microRNAs (miRNAs) that control pluripotent, progenitor, and differentiation genes. Here we investigate the presence of Let-7 miRNAs and its regulator and target, Lin28 and Hmga2, in CE cells from neurospheres, newborns, and adult tissues. Methods Newborn and adult rats CE cells were dissected into pigmented and nonpigmented epithelium (PE and NPE). Newborn PE cells were cultured with growth factors to form neurospheres and we analyzed Let-7, Lin28a, and Hmga2 expression. During the neurospheres formation, we added chemically modified single-stranded oligonucleotides designed to bind and inhibit or mimic endogenous mature Let-7b and Let-7c. After seven days in culture, we analyzed neurospheres size, number and expression of Let-7, Lin28, and Hmga2. Results Let-7 miRNAs were expressed at low rates in newborn CE cells with significant increase in adult tissues, with higher levels on NPE cells, that does not present the stem cells reprogramming ability. The Lin28a and Hmga2 protein and transcripts were more expressed in newborns than adults cells, opposed to Let-7. Neurospheres presented higher Lin28 and Hmga2 expression than newborn and adult, but similar Let-7 than newborns. Let-7b inhibitor upregulated Hmga2 expression, whereas Let-7c mimics upregulated Lin28 and downregulated Hmga2. Conclusions This study shows the dynamic of Lin28-Let-7-Hmga regulatory axis in CE cells. These components may develop different roles during neurospheres formation and postnatal CE cells.
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Affiliation(s)
- Lorena Teixeira Frasson
- Department of Cell Biology and Development, Biomedical Sciences Institute, University of Sao Paulo, Sao Paulo, Brazil
| | - Barbara Dalmaso
- Department of Cell Biology and Development, Biomedical Sciences Institute, University of Sao Paulo, Sao Paulo, Brazil
| | - Priscilla Sayami Akamine
- Department of Cell Biology and Development, Biomedical Sciences Institute, University of Sao Paulo, Sao Paulo, Brazil
| | - Edna Teruko Kimura
- Department of Cell Biology and Development, Biomedical Sciences Institute, University of Sao Paulo, Sao Paulo, Brazil
| | - Dânia Emi Hamassaki
- Department of Cell Biology and Development, Biomedical Sciences Institute, University of Sao Paulo, Sao Paulo, Brazil
| | - Carolina Beltrame Del Debbio
- Department of Cell Biology and Development, Biomedical Sciences Institute, University of Sao Paulo, Sao Paulo, Brazil
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18
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Makdoumi K, Crafoord S. A prospective long-term follow-up study of optic disc pit maculopathy treated with pars plana vitrectomy, drainage of subretinal fluid and peeling of internal limiting membrane. Acta Ophthalmol 2020; 98:822-827. [PMID: 32421253 DOI: 10.1111/aos.14475] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 04/21/2020] [Accepted: 04/24/2020] [Indexed: 11/30/2022]
Abstract
PURPOSE To describe the long-term results of surgical repair of patients with optic disc pit maculopathy (ODP-M). METHODS Prospective, consecutive, noncomparative follow-up study including 12 patients with ODP-M treated by pars plana vitrectomy (PPV), peeling of internal limiting membrane followed by gas tamponade. Subretinal fluid (SRF) was drained in 11 eyes through a retinotomy without laser photocoagulation. Preoperatively, macular detachment with retinoschisis was seen in 9 out of 12 eyes with three eyes having only subretinal fluid in the macular area. The median age at surgery was 20 years (range 9-60 years). RESULTS Follow-up time from initial surgery was 63 months (median). Eight eyes were anatomically reattached after one operation without remaining SRF in the macula. Two patients required a reoperation due to leakage from the retinotomy and another two underwent a second PPV procedure due to late recurrences. Successful healing was at follow-up control observed in 11 of 12 eyes. There was no statistically significant difference in visual acuity between patients before and after surgery (p = 0.24). Central visual field defects with depressed mean deviation were detected in all treated eyes. CONCLUSION In this long-term study of ODP-M final outcome regarding healing was relatively efficacious, however, a relatively large proportion had complications associated to retinotomies. We conclude that drainage of SRF should likely be avoided since it appears to contribute little to the resorption rate of SRF and seems to linked to unnecessary risks.
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Affiliation(s)
- Karim Makdoumi
- Department of Ophthalmology Faculty of Medicine and Health Örebro University Örebro Sweden
| | - Sven Crafoord
- Department of Ophthalmology Faculty of Medicine and Health Örebro University Örebro Sweden
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Kang HG, Park SE, Choi EY, Lee SC, Kim M. Intraoperative optical coherence tomography findings during surgery for optic disc pit-associated maculopathy. Int J Ophthalmol 2020; 13:684-686. [PMID: 32399425 DOI: 10.18240/ijo.2020.04.25] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Accepted: 10/16/2019] [Indexed: 11/23/2022] Open
Affiliation(s)
- Hyun Goo Kang
- Department of Ophthalmology, Institute of Vision Research, Gangnam Severance Hospital, Yonsei University College of Medicine, 211 Eonjuro, Gangnam-gu, Seoul 06273, Republic of Korea.,Department of Ophthalmology, Institute of Vision Research, Severance Hospital, Yonsei University College of Medicine, 134 Shinchon-dong, Seodaemun-gu, Seoul 06273, Republic of Korea
| | - Sung Eun Park
- Department of Ophthalmology, Institute of Vision Research, Gangnam Severance Hospital, Yonsei University College of Medicine, 211 Eonjuro, Gangnam-gu, Seoul 06273, Republic of Korea
| | - Eun Young Choi
- Department of Ophthalmology, Institute of Vision Research, Gangnam Severance Hospital, Yonsei University College of Medicine, 211 Eonjuro, Gangnam-gu, Seoul 06273, Republic of Korea.,Department of Ophthalmology, Institute of Vision Research, Severance Hospital, Yonsei University College of Medicine, 134 Shinchon-dong, Seodaemun-gu, Seoul 06273, Republic of Korea
| | - Sung Chul Lee
- Department of Ophthalmology, Institute of Vision Research, Severance Hospital, Yonsei University College of Medicine, 134 Shinchon-dong, Seodaemun-gu, Seoul 06273, Republic of Korea
| | - Min Kim
- Department of Ophthalmology, Institute of Vision Research, Gangnam Severance Hospital, Yonsei University College of Medicine, 211 Eonjuro, Gangnam-gu, Seoul 06273, Republic of Korea.,Department of Ophthalmology, Institute of Vision Research, Severance Hospital, Yonsei University College of Medicine, 134 Shinchon-dong, Seodaemun-gu, Seoul 06273, Republic of Korea
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