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探讨并总结超声乳化技术及超声乳化仪各项机械参数的合理运用。方法对３９例（４４只眼）老年性、并发性、先天性和外伤性白内障行超声乳化摘除。结果术后１天裸眼或矫正视力≥０．５者占４５．４５％，术后１周、１个月和３个月视力≥０．５者分别占６８．１８％、７９．５４％和８６．３６％。角膜散光术后１周≤１．５Ｄ占６４％，术后１月≤１．５Ｄ占７５％。结论超声乳化白内障吸除术，术后散光小，视力恢复快，值得在临床推广应用。但也是一种极其复杂的手术，需要手术者充分了解超声乳化仪的原理及性能才能获得满意的手术效果。
Explore and summarize the phacoemulsification technology and phacoemulsification instrument of the mechanical parameters of the rational use. Methods 39 cases (44 eyes) of senile, complicated, congenital and traumatic cataract phacoemulsification. Results One day after operation, the naked eye or corrected visual acuity ≥0.5 accounted for 45.45%. The visual acuity ≥0.5 at 1 week, 1 month and 3 months after operation accounted for 68.18% and 79.54% respectively 86.36%. 1 week after corneal astigmatism ≤ 1.5D accounted for 64%, after January ≤ 1.5D accounted for 75%. Conclusion phacoemulsification cataract surgery, postoperative astigmatism, rapid visual recovery, it is worth in the clinical application. But it is also an extremely complex operation, requiring the surgeon to fully understand the principles and performance of phacoemulsification instrument in order to obtain satisfactory surgical results.