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采用晶体核切开法，在6mm切口下对53例56眼白内障施行白内障囊外摘除PMMA后房型人工晶体植入术。结果术后1周、1月、3月，裸眼视力≥4．7者分别为：35眼（62．5％）、49眼（87.5％）、53眼（9．6％）；平均术后角膜散光度分别为：1．55D（s：1．22）、1．11D（S:0．97）、0．87D（S：0．75）．均较同期10mm切口常规手术对照组为低（P＜0．001）。本文还对手术操作技巧以及并发症的预防进行了讨论。
Fifty-five patients (56 eyes) with cataract underwent extracapsular cataract extraction (PMMA) posterior chamber intraocular lens implantation under a 6mm incision using crystalline nucleotomy. Results After 1 week, 1 month and 3 months after operation, the uncorrected visual acuity of ≥ 4.7 were 35 eyes (62.5%), 49 eyes (87.5%) and 53 eyes (9.6%) respectively. Corneal astigmatism were: 1.55D (s: 1.22), 1.11D (S: 0.97), 0.87D (S: 0.75). All of them were lower than those of conventional surgery control group (P <0.001). This article also discusses the surgical techniques and the prevention of complications.