目前我国大中城市有相当数量的医院引进了晶体超声乳化仪及其辅助设备和器械，使老年性白内障的超声乳化手术在中国呈逐步发展扩大的趋势．而在发达国家的普及率已达70％左右．与常规白内障囊外摘除手术比较，超声乳化具有切口小，组织损伤小，术后反应轻，和激光发生程度与比 At present, there are a large number of hospitals in large and medium-sized cities in our country which have introduced the crystal phacoemulsification instrument and its auxiliary equipment and instruments so that phacoemulsification of senile cataract has been gradually expanded in China. In the developed countries, the penetration rate has reached about 70%. Compared with conventional extracapsular cataract extraction surgery, phacoemulsification has the advantages of small incision, less tissue damage, less postoperative reaction, and the degree and ratio of laser occurrence