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要約 目的:網膜中心動脈閉塞症(CRAO)と網膜動脈分枝閉塞症(BRAO)の視力転帰の報告。対象と方法:過去13年間の網膜動脈閉塞症25例25眼を診療録に基づいて検索した。男性19例,女性6例で,年齢は48~88歳(平均70歳)であった。視力はlogMARとして評価した。初診から1~6か月(平均2.8か月)の経過を追った。結果:CRAOの1例とBRAOの3例に毛様網膜動脈があった。全25眼の初診時の平均視力は0.86±1.05,2週間後の視力は0.55±0.83で,有意に改善した(p=0.001)。初診から2週間後の視力と最終視力とには有意差がなかった。視力予後は毛様網膜動脈があるほど良好で,これ以外にはBRAOでは初診時の視力が有意に関係し,CRAOでは関係する因子がなかった。結論:CRAOとBRAOでは,初診時よりも2週間後の視力が良好であり,以後は変化しなかった。
Abstract. Purpose:To report the visual outcome in central retinal artery occlusion(CRAO)and branch retinal artery occlusion(BRAO). Cases and Method:This study was made on 25 eyes of 25 cases of CRAO or BRAO during the past 13 years. The series comprised 19 males and 6 females. The age ranged from 48 to 88 years,average 70 years. Visual acuity was evaluated as logMAR. Cases were followed up for 1 to 6 months,average 2.8 months. Results:Cilioretinal artery was present in one eye of CRAO and 3 eyes of BRAO. Visual acuity of 25 eyes averaged 0.86±1.05 initially and 0.55±0.83 two weeks later. The difference was significant(p=0.001). There was no difference between visual acuity 2 weeks after initial visit and at the final examination. Visual outcome was better in eyes with cilioretinal artery. Final visual acuity was positively correlated with initial visual acuity. Conclusion:Visual acuity improved during the initial 2 weeks and not thereafter in CRAO and BRAO.
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