永存原始玻璃体增生症(persistent hyper-plastic prima-ry vitreous,PHPV)是一种临床罕见的玻璃体先天发育异常,是小儿白瞳症的一组病症之一,国内少见报道,其相关诊断及鉴别诊断比较困难,误诊率高,笔者收集5例回顾总结如下,以期提高对本病的认识。1材料与方法1·1一般资料收集 Persistent hyper-plastic prima-ry vitreous (PHPV) is a rare clinical manifestations of vitreous congenital dysplasia and is one of a group of symptoms of childhood pupil disease. It is rare in China and its related diagnosis and differential diagnosis More difficult, high misdiagnosis rate, the author collected 5 cases summarized as follows, with a view to raising awareness of the disease. 1 Materials and Methods 1.1 General Information Collection