| Clinical Observation of the Bilateral Retinal Vein Occlusion. |
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Byung Bae Noh, Won Seon Seo, Oh Woong Kwon |
1Department of Ophthalmology, Capital Armed Forces General Hospital, Seoul, Korea.
2Department of Ophthalmology, College of Medicine Yonsei University, Seoul, Korea. |
| 양측성 망막분지정맥 폐쇄증에 대한 임상적 고찰 |
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노병배(Byung Bae Noh),서원선(Won Seon Seo),권오웅(Oh Woong Kwon) |
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| Abstract |
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The clinical evaluation was done in eighteen eyes of nine patients with bilateral BRVO in aspects of onset, visual acuity, interval between onset of one eye and the other, sex ratio, associated systemic diseases, location of the affected vein, the effect of macular edema on visual acuity and ocular complications. The onset of age was from fifty one to sixty eight years. Eight patients were women, and one patient was man. Hypertension was the most common associated systemic disease. Ten eyes (55.5%) of bilateral BRVO were affected the superior temporal branch vein, the sites of occlusion were not more than two disc diameters from the optic disc in fifteen eyes (83.3%). The complications of seevere visual loss had macular edema, macular capillary nonperfusion, retinal neovascularization and vitreous hemorrhage. Among of six numbers who could be followed up more than one year, and visual acuity of five eyes with macula edema were decreased than five other eyes developed one year or later. Eyes that were more than five disc diameters of capillary nonperfusion, as visualized with fluorescence angiography were thirteen (72.2%). Of these eyes, six (46.1 %) eyes occured retinal neovascularization, five of those had macular capillary nonperfusion. four of those were 0.1 in final vision. Three of four eyes with vitreous hemorrhage were very slowly improved in visual acuity, but another was decreasing in visual acuity due to other ocular complications We thought that woman with history of BRVO due to hypertension in sixth and seventh decades should be followed up the other eye for three years. |
| Key Words:
Bilateral Branch Retinal Vein Occlusion (BRVO);Capillary nonperfusion;Neovascularization;Macular edema;Vitreous hemorrhage |
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