以吸取法或推拉法摘出先天性白内障,可以不作虹膜切除。但术前瞳孔不易散大者,是在上方作全部虹膜切除术或下方作虹膜切开术的适应症,因而需要作一个大的角膜切口时,则不能显出推-拉吸取术之主要优点:损伤少。由于大多数婴儿的瞳孔不易散大,特别见于麻疹性白内障病例,致很多患儿遭受很多次不必要的手术 To absorb law or push-pull method to remove congenital cataract, you can not make iris resection. However, preoperative pupil is not easy to disperse who is above the iris incision or under the iris incision indications, and therefore need to make a large corneal incision, you can not show the main advantages of push-pull suction : Less damage. Because most of the pupils are not easy to spread the pupil, especially in cases of measles cataracts, many children suffered many unnecessary surgery