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目的 :探讨前囊方形截除术在皮质性白内障囊外摘除术中的临床应用效果。方法 :采用前囊方形截除术对 5 5例 (5 9眼 )皮质性白内障行囊外摘除及后房型人工晶体植入术。术后 3个月散瞳后通过房角镜观察人工晶体的固定位置。结果 :术中 5 6眼 (94.9% )成功完成前囊方形截除 ,3眼 (5 .1% )失败 ,改为信封式截囊。术后有 5 5眼 (93 .2 % )人工晶体的双袢均在囊袋内。结论 :前囊方形截除为皮质性白内障囊外摘除提供了一个边缘光滑整齐、抗撕裂、无前囊碎片的开口 ,同时确保了人工晶体囊袋内固定的可靠性
Objective: To investigate the clinical effect of anterior capsular quadrate excision in extracapsular cataract extraction of cortical cataract. Methods: Extracapsular cataract extraction and posterior chamber intraocular lens implantation were performed in 55 patients (59 eyes) with cataract. 3 months after dilation through the gonioscopy to observe the location of intraocular lens. Results: Fifty-six eyes (94.9%) successfully completed square anterior capsulotomy and 3 eyes (5.1%) failed and changed to envelope-type capsulotomy. Fifty-five eyes (93.2%) of the IOLs were in the capsular bag after surgery. Conclusions: Square anterior capsulotomy provides a smooth, tidy, tear-resistant, anterior capsule-free opening for extracapsular cortical extracapsular cataract extraction while ensuring the reliability of intraocular capsular bag fixation