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先天性上睑下垂虽为眼科常见病,在遗传学方面的研究有赵氏(1983)普查42929人次,见本病患者52人,其群体发病率为0.12%,调查43个家系,发现散发者(46.51%)最多见,次为常显遗传(34.88%),再次为常隐遗传11.63%()较少,其他类型遗传(6.98%)最少。张氏(1986)调查17个家系,散发者13个家系(8.7%)最多见,其次为常显遗传4个家系(13%)。沈氏
Although congenital blepharoptosis is a common disease in ophthalmology, there are 42,929 person-times of Zhao’s (1983) census, of whom 52 are present and its population incidence rate is 0.12%. Forty-three pedigrees were investigated and found to be distributed (46.51%) were the most common, followed by often significant inheritance (34.88%), once again the genetic implicit inheritance 11.63% () less, other types of heredity (6.98%) the least. Zhang (1986) surveyed 17 families, distributed 13 families (8.7%) the most common, followed by often significant genetic 4 families (13%). Shen