后房型人工晶体植人术后房角及虹膜会发生改变[1]，可引起瞳孔移位[2]。为探讨虹膜改变与瞳孔移位及切口关系。我们对本院1994年10月一1997年10月45只眼白内障囊外摘除及后房型人工晶体植人术后进行房角。虹膜及瞳孔随诊观察，现将结果报道如下。l资料与方法1．l一般资料我们行 Posterior chamber intraocular lens implantation of the angle and iris will change [1], can cause pupil displacement [2]. To explore the relationship between iris changes and pupil displacement and incision. We performed our hospital from October 1994 to October 1997 45 cases of extracapsular cataract extraction and posterior chamber intraocular lens implantation after surgery. Iris and pupil follow-up observation, the results are reported below. l Materials and Methods 1. l General information of our trip