外伤性无虹膜症指因严重眼挫伤或眼穿透伤所造成的完全性虹膜根部离断，临床上较少见。Duke－Elder（1963）曾报告20例，国内相继亦有报告。现将我院收治的一例报告如下。患者男，26岁，因骑单车与他人相撞，眼镜破碎，伤及左眼，于1994年5月17日入院。查：一般情况好。左视力 Traumatic non-iris refers to a serious eye contusion or eye penetrating injury caused by complete iris root disconnection, clinically rare. Duke-Elder (1963) had reported 20 cases, one after another have been reported. Now a hospital admitted to our hospital as follows. The male patient, aged 26, was admitted to hospital on May 17, 1994, due to a cyclist collision with another person, broken glasses and injuries to the left eye. Check: the general situation is good. Left vision