例1女，44岁。患者2年前出现右眼睑下垂，间有视物重影，症状晨起最轻，午后加重，傍晚好转，闭目休息能改善，但加大活动后症状无明显加重。随后发现“乳腺癌”行根治术，术后完成化疗，放疗。入院体检：右眼裂稍小，右眼上下视及左眼内收受限，余神经系统检查、内科检查无特 Example 1 female, 44 years old. The patient had right ptosis two years ago. There was a double vision between the two groups. Symptoms were lightest in the morning and heavier in the afternoon. He improved in the evening and he could improve his eyesight, but his symptoms did not increase significantly after the increase. Subsequently, “breast cancer” was radically treated and chemotherapy and radiotherapy were completed after the operation. Admission physical examination: right eye cleft is slightly smaller, right eye up and down vision and left eye adduction is limited, more neurological examination, medical examination is not special