先天性白内障大多数在出生前后即已存在及一小部分生后才逐渐形成的一种带有先天遗传或发育障碍的白内障。其群体发病率约005%,占儿童失明原因的10～38%[1],由于视功能受到影响,是儿童致盲的主要原因。既往由于手术不及时,术后屈光矫正不适当,往往形成重度弱视及眼球震颤。因此 Most of the congenital cataracts before and after birth, and a small part of the life after the gradual formation of a congenital or dysplastic cataract. The population incidence of about 005%, accounting for 10 to 38% of children with blind causes [1], due to visual function is affected, is the main cause of childhood blindness. Past because of surgery is not timely, postoperative refractive correction is not appropriate, often form severe amblyopia and nystagmus. therefore