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目前有关中、小学生视力调查资料不少,但就裕固族中,小学生的视力情况未见报导。1984年,我们对该县1592名中、小学生的视力进行了调查,现将结果报告如下。检查方法统一使用国际标准远、近视力表(为市售装有两只20W 日光灯的视力表箱),检查远、近视力。凡裸眼远视力有一眼低于1.0以下者,为视力不良。就使用双眼远雾视法(戴+2.5D～+3.0D 眼镜30分钟)后再检查视
At present, there are quite a lot of information on the visual inspection of primary and secondary school students. However, there is no report about the sight of primary and secondary school students in Yugur. In 1984, we surveyed 1592 primary and secondary school students’ eyesight in the county, and the results are reported as follows. Inspection methods Unified use of international standards far, near visual acuity chart (commercially available with two 20W fluorescent lamp eye chart box), check far, near vision. Anyone who has less than 1.0 eye distance vision below, for poor eyesight. On the use of binocular far fog method (wear + 2.5D ~ + 3.0D glasses for 30 minutes) and then check the visual