为了解后房型人工晶体植入术后所引起的瞳孔变异情况，我们对43眼行过该手术的病人进行了瞳孔观测，现报告如下：临床资料1．本组43眼病人均为老年性白内障，且不伴其它能引起瞳孔改变的疾病（如青光眼、虹膜病变等），术前瞳孔均为圆形、居中，其中年龄45～75岁，男29人，女44 In order to understand the pupillary changes caused by posterior chamber intraocular lens implantation, we performed pupil observation in 43 eyes of patients who had undergone the surgery. The report is as follows: 1. The group of 43 patients were senile cataracts, and is not associated with other diseases that can cause pupil changes (such as glaucoma, iris lesions, etc.), preoperative pupil are round, middle, of which age 45 to 75 years, 29 men, Female 44