persistent pupillary membrane是什么意思

用法例句

Cataract extraction with occlusion of pupil;

伴有瞳孔膜闭的白内障摘出术

Clinical analysis of pupil membrane formation after intraocular lens implantation;

人工晶状体植入术后瞳孔膜形成临床分析

Objective To discuss the formation of frontal membrane of pupil and its treatment after embedment of artificial lens.

目的　探讨人工晶状体植入术后瞳孔前膜的形成机制与处理方法。