先天性无瞳孔症极为罕见,国内外文献均未见报导,教科书也未记载,笔者近期遇到一例,报告如下。王××,男,7岁,山东滕县人。双眼出生后即视物不见,仅能分辨明暗。患儿系第三胎,足月顺产,土法接生,生后体重约1.5kg左右,极瘦,呈猴形。父母亲系姑表亲联姻,族中未发现类似病人,其上俩姐智力、视力均正常。其母在孕期,患有慢性腹 Congenital absence of pupil is extremely rare, no reports at home and abroad, textbooks have not been documented, the author recently encountered a case, the report is as follows. Wang × ×, male, 7 years old, Shandong Tengxian. Eyes after birth is not seen as material, only to distinguish between light and darkness. Children with a third child, full-term natural delivery, native law birth, weight about 1.5kg after birth, very thin, was monkey-shaped. Parents and relatives married cousins, the family did not find a similar patient, the two sisters intelligence, visual acuity are normal. Her mother had a chronic stomach during pregnancy