无天性虹膜完全缺如在临床上称无虹膜（aniridia），是一种较为罕见的遗传性疾病，其发生率约占人口的1／10万[1]。我院在门诊中发现一先天性无虹膜的家系，报告如下。1临床资料本组为一家系共3代28人，受检28人，确诊为先天性无虹膜4人，家系中连续3代有发病患者，均有血缘关 The lack of an iris is clinically referred to as aniridia, a rare genetic disorder that accounts for about 1 in 10,000 of the population [1]. Our hospital found a family of congenital non-iris in the clinic, the report is as follows. 1 Clinical data This group is a family of 3 generations of 28 people, 28 subjects were examined, diagnosed as congenital non-iris 4 people, family 3 consecutive generations of patients with disease, are related to blood