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目的探讨U型单针在连续环形撕囊白内障术中的运用。方法对30例36眼白内障施行连续环形撕囊、囊袋内人工晶状体植入术，并运用自制的U型单针娩核、清除12卢钟处的晶状体皮质。结果36眼白内障晶状体核全部顺利娩出，且12点钟处皮质清除干净，人工晶状体囊袋内植入顺利。结论该方法操作简单、连贯性好、损伤小、成功率高，无晶状体悬韧带断裂、后囊破裂、玻璃体脱出等并发症，确保了人工晶状体囊袋内植入。
Objective To investigate the application of U-shaped single needle in cricoid cataract extraction. Methods Thirty eyes (36 eyes) with cataract were treated by continuous circumferential capsulorhexis and intraocular lens implantation. The nucleus was cleared at 12 minutes by using a homemade U-shaped single needle. Results All 36 cataractous lens nuclei were delivered successfully, and the cortex was cleared at 12 o’clock. The implantation of intraocular lens capsule was successful. Conclusion The method is simple, consistent, small injury, high success rate, aphakic suspensory ligament rupture, posterior capsule rupture, vitreous prolapse and other complications to ensure intraocular lens implantation.