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要約 白色白内障24眼にトリパンブルー前囊染色とソフトシェル法を用いた白内障手術の成績を検討した。術式は超音波乳化吸引術と眼内レンズ挿入術である。ソフトシェル法のみを用いた核硬化が強い白内障24眼を対照とした。連続円形前囊切開の成功率は,前囊染色群79%,対照群100%であった。術後視力は両群とも良好であった。眼圧は両群ともに術翌日のみに上昇した。角膜内皮細胞減少率は,前囊染色群24.1%,対照群20.4%であり,両群間に有意差はなかった。前囊染色による合併症は術後12か月間には起こらなかった。白色白内障に対するトリパンブルー前囊染色を用いた白内障手術は有用かつ安全であった。
Abstract. We evaluated 24 eyes of white cataract that received trypan blue capsule staining adjunct to phacoemulsification-aspiration with intraocular lens implantation. Another series of 24 eyes of hard cataract without trypan blue staining served as control. Both groups received soft shell technique. Success rate of continuous curvilinear capsulorrhexis(CCC)was 79% in the former group and 100% in the control. The postoperative visual acuity was the same in both groups. The intraocular pressure showed a transient rise on day 2 of surgery in both groups. The corneal endothelial cells decreased by 24.1% in the former and by 20.4% in the control,with no significant difference between both groups. There were no complications in eyes receiving trypan blue capsule staining during 12 months after surgery. The finding shows the safety and usefulness of trypan blue capsule staining in cataract surgery.
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