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随着现代科学技术的飞速发展,对视力的要求也越来越高;而视力不良正是高考专业受限的第一位原因。为掌握学生视力变化规律及影响视力各种因素。本文对1988～1990年学生视力情况进行统计分析。1 调查对象为太平区全部中小学校的男女学生。2 方法于每年3月统一用缪天荣的对数视力表进行普查。视力不良分为轻度(4.9～4.8);中度(4.7～4.4);重度(4.3以下)。3 结果表明视力不良率3年中小学平均为9.7％、
With the rapid development of modern science and technology, the demand for vision is also getting higher and higher; and poor vision is the first reason that the college entrance examination profession is limited. In order to grasp the students’ vision changes and affect various factors of vision. This article analyzes the visual acuity of students from 1988 to 1990. 1 The survey targets the male and female students in all primary and secondary schools in Taiping District. 2 Methods In March each year, we use the logarithmic vision chart of Hao Tianrong to conduct a census. Poor vision was classified as mild (4.9-4.8); moderate (4.7-4.4); severe (4.3 or less). 3 The results showed that the average rate of poor eyesight in the three years of primary and secondary school was 9.7%.