永存瞳孔膜系晶状体前血管膜残留之一种先天异常。此膜一般不影响视力,但广泛稠密之永存瞳孔膜,可产生程度不同之视力障碍,此在临床上甚为少见,国内文献也仅报告数例。我科于1955年7月至1959年1月,曾先后发现三例,特报告于下: 病例报告例1:陆某,男性,本院同学,江苏如皋人,保健室门诊号61336,于1956年9月3日,入学后第一次新生体格检查时,发现其两眼有永存瞳孔膜。由于患者自觉视力尚佳,且无任何不适,故瞳孔领之异常现象,从未被患者本 Permanent pupil membrane Department of lens anterior vascular membrane residual congenital anomalies. This film generally does not affect the visual acuity, but the extensive dense permanent pupil membrane, can produce different degrees of visual impairment, which is rare in clinical practice, the domestic literature only reported a few cases. Our department from July 1955 to January 1959, has found three cases, special report is as follows: Case Report Example 1: Lu Mou, male, hospital students, Jiangsu Rugao, health clinic outpatient number 61336, in 1956 September 3, the first post-admission medical examination, found that both eyes have permanent pupil membrane. Because patients consciously still good eyesight, and without any discomfort, so pupil collar anomalies, has never been patient