先天性上睑下垂是一种常见的遗传性眼病,早已为眼科学家和遗传学家所瞩目。国内对显性遗传的家系报道较多,但对隐性遗传和散发性者报道较少,而对其群体发病情况的调查尚未见报道资料,故将我们的调查结果报告如下: 1.先天性上睑下垂的发病情况: 沈阳冶炼厂等4个重工业工厂的工人总数为28,959人,男21,922人、女7,037人,发现先天性上睑下垂者共12人(男10人、女2人),其群体发病率为0.04143％;沈阳油脂化学厂(轻工业工 Congenital blepharoptosis is a common hereditary eye disease that has long been the focus of eye scientists and geneticists. There are more reports about the dominant genetics pedigrees in the country, but few reports on the recessive and sporadic ones. However, there is no reported data on the incidence of the herd in our country. Therefore, we report the following findings: 1. Congenital The incidence of ptosis: The total number of workers in four heavy industry factories, including the Shenyang Smelter, totaled 28,959, including 21,922 males and 7,037 females. A total of 12 congenital ptosis patients (10 males and 2 females) were found. The group incidence of 0.04143%; Shenyang Oil Chemical Plant (light industrial workers