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与眼内硅油充填相关的中心暗点在硅油取出前形成 被引量:1
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作者 herbert e.n. HabibM. +2 位作者 Steel D. Williamson T.H. 桑延智 《世界核心医学期刊文摘(眼科学分册)》 2006年第8期43-44,共2页
Background: Unexplained sudden visual loss after removal of silicone oil from the eye has recently been described. We report the occurrence and features of unexplained central scotoma developing with silicone oil in s... Background: Unexplained sudden visual loss after removal of silicone oil from the eye has recently been described. We report the occurrence and features of unexplained central scotoma developing with silicone oil in situ in the vitreous cavity. Methods: A retrospective case series of five patients (from two centres)-who reported a central scotoma commencing during silicone oil tamponade was studied. All patients had vitrectomy for macula-on retinal detachment, with ultra-purified silicone oil tamponade (four out of five had giant retinal tear). Investigations included visual acuity, intraocular pressure, optical coherence tomography, fluorescein angiography, visual fields and electrophysiology. Results: All patients reported a central scotoma that appeared during oil tamponade. Visual acuity fell by a mean of 0.93 LogMAR units after onset of the scotoma. After cataract extraction and oil removal, vision remained reduced by a mean of 0.8 units. The mean duration of oil in the eye was 2.7months when the scotoma was noted by the patient. Investigations were performed after removal of oil. Fluorescein angiography (FFA) was performed in two cases and optical coherence tomography (OCT) in five patients. No abnormality was demonstrated. Electrophysiology was performed in five patients with pattern electroretinography suggestive of macular dysfunction in four patients. Conclusion: This is the first case series describing central scotoma as sociated with silicone oil in situ. Electrophysiology indicated macular dysfunction in most cases. We suggest that early removal of oil in cases with good visual potential should be considered to avoid this sightthreatening complication. 展开更多
关键词 硅油充填 中心暗点 玻璃体切除术 视网膜脱离 视网膜撕裂 玻璃体腔 白内障摘除 电生理检查 图形视网
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