Every patient received detailed ophthalmologic examinations including visual acuity, near vision, stereoacuity, ocular motility, fundus examinations and cycloplegic refraction.

• 斜视患者中，外斜视所佔比例最高，有39例(33%25)，内斜视15例(13%25)，其他（上斜视、麻痹性斜视、隐斜视）11例(9%25)。