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为掌握本地区学校学生视力的状况,我们从1987～1989年连续3年采用定点观察的方法,分别对一所小学、一所初中、一所高中共1426名中、小学生采用《国际标准视力表》法进行了视力调查。现将结果报告如下。 1、视力不良发生率:在3年中,中、小学生视力不良的检查结果,近视眼发生率随着年龄的增大和年级的升高而上升(见表1)。 2、视力不良与性别的关系:视力不良率在小
In order to grasp the situation of school students’ eyesight in our region, we used the fixed-point observation method from 1987 to 1989 for 3 consecutive years. We adopted the International Standard Chart of Eyesight for 1426 primary and secondary school students in a primary school, a middle school and a high school, Law conducted a vision survey. The results reported below. 1, the incidence of poor eyesight: in 3 years, primary and secondary school students with poor vision test results, the incidence of myopia increased with age and grade increased (Table 1). 2, poor eyesight and the relationship between the sexes: bad eyesight rate is small