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      Natural Course and Surgical Management of High Myopic Foveoschisis

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          Abstract

          Purpose: To describe the spectral-domain optical coherence tomographic characteristics, natural course and surgical management for eyes with myopic foveoschisis. Methods: The medical records of 39 consecutive patients (56 eyes) with myopic foveoschisis were retrospectively reviewed. Pars plana vitrectomy with internal limiting membrane peeling and Brilliant Blue G staining was performed on 16 symptomatic eyes (14 patients). Results: Optical coherence tomography at baseline showed an isolated foveoschisis in 62.5%, foveal detachment in 21.4%, and a lamellar hole in 16.1% of the eyes. After a mean follow-up period of 15.7 months, 1.8% of the eyes developed a full-thickness macular hole and 28.5% of the eyes required surgery. The mean preoperative visual acuity (VA) was 20/63 and the mean central retinal thickness (CRT) was 507.6 µm. The mean postoperative VA was 20/40 and the mean CRT 282.9 µm. Anatomical success was achieved in 75% of the eyes at a mean of 3.3 months after surgery, and 81.2% of the eyes had an improvement of 2 lines of VA. Conclusion: Myopic foveoschisis remained stable in most eyes; however, 28.5% of the eyes had decreases in VA secondary to progression of the foveoschisis and required surgery.

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          Most cited references25

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          Foveal retinoschisis and retinal detachment in severely myopic eyes with posterior staphyloma.

          To evaluate the tomographic features of the retina in patients with severe myopia and posterior staphyloma. In a prospective study of 32 eyes of 19 consecutive patients with severe myopia and posterior staphyloma, we performed complete ophthalmic examinations and studied cross-sectional images of the macula with optical coherence tomography. Patients' age ranged from 41 to 83 years (average, 62.7 years). Best-corrected visual acuity ranged from 20/500 to 20/40 (average, 20/120). The study included 26 phakic and six pseudophakic eyes. The refractive errors of 26 phakic eyes ranged from -8 to -31 diopters (average, -16.7 diopters). Although refractive errors were within -8 diopters in six pseudophakic eyes, the eyes had apparent posterior staphyloma. The axial lengths measured by A-mode ultrasonography ranged from 25.7 to 32.7 mm (average, 29.2 mm). Slit-lamp examination with contact lens showed that none of the eyes had a macular hole. In nine eyes with shallow retinal elevation on slit-lamp examination, optical coherence tomography disclosed a foveal retinal detachment with retinoschisis in eight eyes and a foveal retinal detachment in one eye. Two of the remaining 23 eyes had retinoschisis. Foveal retinal detachment and retinoschisis are common features in severely myopic eyes with posterior staphyloma. Retinal detachment may precede the formation of a macular hole in severely myopic eyes.
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            Long-term follow-up of high myopic foveoschisis: natural course and surgical outcome.

            To determine the natural evolution and surgical indications of myopic foveoschisis (MF), which are still poorly documented, and the factors that predict poor prognosis. Retrospective observational case series. Twenty-nine operated and nonoperated cases of MF (29 eyes of 23 patients) were studied. All eyes underwent repeated examinations, including optical coherence tomographic (OCT) recordings, during a mean follow-up of 31.2 months. Special attention was paid to the evolution of visual acuity (VA) and to the thickness of foveoschisis. Mean refraction was -14.4 diopters, and mean axial length was 29.1 mm. OCT scans revealed that the foveoschisis was associated with macular anomalies: a premacular structure in 13 (44.8%) of 29 eyes, a foveal detachment in 10 (34.5%) of 29 eyes, and a lamellar macular hole in six (20.7%) of 29 eyes. Isolated foveoschisis was found in four eyes (13.8%). During follow-up, foveoschisis and VA worsened in 20 eyes and remained stable in nine. Ten of the 20 eyes that worsened had a premacular structure. A macular hole occurred in nine eyes, six of which had previously exhibited foveal detachment. Eleven eyes with foveoschisis underwent surgery, which improved VA significantly (P = .04, Wilcoxon test), but three eyes developed a macular hole. MF may remain stable for many years without affecting VA. However, when it is combined with the presence of a premacular structure, the risk of a decrease in VA increases. When it is combined with foveal detachment, a macular hole seems to develop frequently, whether or not surgery is performed.
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              Optical coherence tomography findings in myopic traction maculopathy.

              To describe the features and incidence of epiretinal traction and related retinal damage in degenerative myopia. Consecutive observational case series. We retrospectively reviewed medical records and optical coherence tomography findings of 218 eyes with high myopia of 121 consecutive patients to detect the incidence and features of epiretinal traction-related macular damage. The degree of myopia ranged from -8 to -26 spherical equivalent (mean +/- SD, -16.93 +/- 5.74). Mean +/- SD axial length was 29.75 +/- 2.12 mm. Excluding eyes with possibly confounding features, 125 eyes were analyzed. Detection of epiretinal traction and related macular damage. Epiretinal traction was found in 58 (46.4%) of 125 eyes and retinal damage, in 43 eyes (34.4%). Macular retinoschisis was the most frequent form of macular damage (25 eyes [58%]), followed by retinal thickening, lamellar hole, and shallow retinal detachment. Epiretinal traction is a frequent finding in degenerative myopia and, particularly if associated with the presence of staphyloma, can generate a form of macular damage unique to eyes with high myopia. This damage can affect up to one third of these eyes and should be considered as a separate cause of visual loss easily detected by optical coherence tomography at its early stages.
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                Author and article information

                Journal
                OPH
                Ophthalmologica
                10.1159/issn.0030-3755
                Ophthalmologica
                S. Karger AG
                0030-3755
                1423-0267
                2014
                December 2013
                12 November 2013
                : 231
                : 1
                : 45-50
                Affiliations
                Institut Català de Retina (ICR), Barcelona, Spain
                Author notes
                *Amanda Rey, Institut Català de Retina, Carrer Ganduxer, 117, ES-08022 Barcelona (Spain), E-Mail amandarey1912@hotmail.com
                Article
                355324 Ophthalmologica 2014;231:45-50
                10.1159/000355324
                24246446
                218d7f3c-1520-47d1-a2a2-6d9c2b475b97
                © 2013 S. Karger AG, Basel

                Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher. Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug. Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

                History
                : 01 June 2013
                : 22 August 2013
                Page count
                Figures: 2, Tables: 2, Pages: 6
                Categories
                Original Paper

                Vision sciences,Ophthalmology & Optometry,Pathology
                Myopia,Vitreomacular diseases,Vitreoretinal surgery

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