例1,马某,男,28岁,未婚,汉族,于1987年3月因双眼白内障入院。双眼进行性视力减退15年,加重3年,完全不能视物半年。12岁时曾于本市多家医院诊断为双眼先天性白内障。该患者为足月顺产,2岁时有热性惊厥史,其后走路不稳,3岁时走路呈剪刀步态、足内翻,现在扶双拐走路仍为剪刀步态。语言流利、智 Example 1, Moumou, male, 28 years old, unmarried, Han nationality, was hospitalized in March 1987 for binocular cataracts. 15 years of progressive visual acuity in both eyes, aggravating three years, can not be seen half a year. At 12 years old, he had multiple cataracts diagnosed in both hospitals in the city. The patient was term full-term, 2-year-old had a history of febrile seizures, followed by walking unstable, 3-year-old walk was scissors gait, foot varus, now walking with crutches still scissors gait. Fluent language, wisdom