为了掌握我校学生视力低下发展的特点,1984年～1988年,我们对学生视力进行追踪观察,现总结分析如下: 视力低下率:1984至1988年学生视力低下率(%)分别为51.5、57.1、57.7、59.9、59.8,呈逐年增高趋势。视力低下程度:1984～1988年学生视力低下程度的构成比分别为轻度:14.9、14.8、13.5、16.0、15.8; 中度:34.0,30.6、31.2、37.7、28.1; In order to grasp the characteristics of low vision development of students in our school, from 1984 to 1988, we observed the students’ vision and summarized the analysis as follows: Rate of low vision: Student’s visual acuity rate from 1984 to 1988 (%) were 51.5 and 57.1 respectively. , 57.7, 59.9, 59.8, is increasing year by year. The degree of low vision: the proportion of students with poor vision from 1984 to 1988 was mild: 14.9, 14.8, 13.5, 16.0, 15.8; moderate: 34.0, 30.6, 31.2, 37.7, 28.1;