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1981年4月,我们和石河子市卫生防疫站对我院572名大学生的视力情况进行了普查。调查对象包括一至四年级全部在校学生,其中汉族452人,少数民族120人。根据本次检查结果,我们对所有学生入学时的视力情况也进行了调查,并将两次结果做了对比分析。一、调查方法:1、对各年级进行普查,时间集中在四月下旬内。2、只进行远视力检查,对视力减退的原因均不再做进一步的鉴别。远视力检查采用国际标准视力表,检查条件及方法均按规定实行。
In 1981 April, we and Shihezi City Health and Epidemic Prevention Station of our hospital 572 students were visually impaired. The survey includes all students in grades one to four, including 452 Han and 120 ethnic minorities. According to the results of this examination, we also conducted a survey on the visual acuity of all students when they entered the school and compared the two results. First, the survey methods: 1, the census of all grades, the time concentrated in late April. 2, only the far vision examination, the reason of vision loss are no further identification. Far vision examination using international standard vision chart, inspection conditions and methods are implemented according to regulations.