患者,男,48岁,农民。因出生后发现右眼内斜,且逐年明显,而于2003年9月29日来诊。父母非近亲结婚,家族中无类似疾病。体检无异常。眼科检查:视力,右眼眼前数指,左眼0.1,-10.0D=0.5;右上睑下垂,眼位,右内斜大于+45°,伴下斜视(图1);双眼及单眼运动,右眼不能外转;被动牵拉试验,右 Patient, male, 48 years old, farmer. Due to the discovery of right eye after birth, oblique, and significant year by year, and in September 29, 2003 visit. Parents were married to non-relatives and had no similar disease in the family. No abnormal medical examination. Ophthalmology examination: visual acuity, right eye number fingers before, left eye 0.1, -10.0D = 0.5; right upper eyelid ptosis, eye position, right oblique greater than + 45 °, with inferior strabismus (Figure 1); binocular and monocular movement, right Eye can not turn outside; passive pull test, right