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我们于1986年6～7月对我县部分学龄前儿童作了立体视锐度调查,现报告如下: 材料与方法调查对象系我县西街和北街两所幼儿园602名4～6岁儿童,其中男328名、女274名。采用国际标准视力表和颜少明等研制的《立体视觉检查图》。先由幼儿园老师组织儿童对视力表练习检查7天。检查与方法:①检查远视力和外眼;②用角膜映光和遮盖法检查眼位;③测立体视锐度时,被检者戴特制右红左绿眼镜,在明亮的自然光线下进行,眼与图距20～40cm,必须双眼注视。先用第一幅示教图讲解示范,让被检者领会后,从800秒角随机点立
We conducted a stereoscopic acuity survey on some preschool-aged children in our county from June to July 1986, and are reported as follows: Materials and Methods The surveyed subjects were 602 children aged 4 to 6 years in two kindergartens in West Street and North Street in our county , Of which 328 were male and 274 were female. The use of international standards such as eye chart and Yan Shaoming developed “three-dimensional visual inspection map.” The kindergarten teacher first organized children to check the eye chart for 7 days. Inspection and methods: ① check far vision and the outer eye; ② corneal reflection and cover method to check the eye position; ③ measured stereopsis sharpness, the subjects were wearing special red right green left glasses, in bright natural light , Eye and map from 20 ~ 40cm, you must look at both eyes. First explain the demonstration with the first teaching chart, let the examinee comprehend, from 800 seconds randomly point of view