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1·Objective To discuss the key points of ultrasonic emulsification operation of mature cataract.

目的探讨白内障成熟期超声乳化的手术要点。

2·Objective To evaluate the efficacy and safety of the soft-shell technique in reducing corneal endothelial cell damage during cataract surgery in patients with the mature cataract.

目的评价软壳技术在成熟期白内障手术中降低角膜内皮损伤的有效性和安全性。