我院 1999年 7月收治先天性下直肌附着点异位 1例 ,现报告如下。患者女性 ,15岁。自幼右眼上斜视 ,未曾治疗。患者系早产儿。体检 :视力左 1 0 ,右 0 2 5 + 3 0 0Ｄ .Ｓ =0 3。右眼睑裂较左侧大。眼球略突出。角膜映光法查右眼上斜约15° ,眼球向外向下运动受限 ,向上及外上 Our hospital in July 1999 admitted congenital inferior rectus muscle attachment point in 1 case, are as follows. Patient female, 15 years old. Strabismus on his right eye since childhood, never treated. Patients are premature children. Physical examination: visual acuity left 1 0, right 0 2 5 +3 0 0D. S = 0 3. Right eye palpebral fissure larger than the left. Eye slightly protruding. Corneal light examination of the right eye diagonal about 15 °, the eye outwards downward movement limited, upward and outward