先天性下直肌缺如是一种较为罕见的眼病。截止1987年,能查到的国外文献中仅见10例,国内12例,现将我院所见1例报告如下。申某,男,20岁,出生后发现右眼上斜,随年龄增长逐渐加重,1981年6月13日初诊。既往身体健康,无眼病和眼外伤史,亦无眼病家族史。检查:右眼视力,0.6×2.00DC90°;左眼1.5。除右眼斜视外,双眼前节无其他异常发现。原始眼位角膜映光,右眼上斜20~Δ,下转运动受限,上转。功能过 Congenital inferior rectus abscess is a relatively rare eye disease. As of 1987, only 10 cases of foreign literature can be found, 12 cases of domestic, now we see a case of hospital reported as follows. Shenmou, male, 20 years old, was found on the right eye diagonal after birth, with increasing age gradually increased, June 13, 1981 first visit. Past physical health, no eye disease and eye injury history, no family history of eye disease. Check: right eye vision, 0.6 × 2.00DC90 °; 1.5 left eye. In addition to the right eye strabismus, no other anomalies found in the anterior segment of both eyes. The original corneal opacity map, the right eye inclined 20 ~ Δ, down movement limited, up. Function too