为探索学生视力与学习阶段转变和学年增高的关系,我们对1983～1985年在成都市第24中学完成初、高中阶段学习的577名学生连续3年视力测定的动态资料进行了整理分析。 1 对象和方法视力测定使用装有日光灯照明、表面照度为10001x的国际标准视力表箱,按成都市中小学生视力检测的统一要求,于每年9月下旬固定专人测定学生的裸眼远视力。连续 In order to explore the relationship between visual acuity and learning transition and the increase of academic year, we analyzed the dynamic data of visual acuity of 577 students who completed the study at the middle and high schools in 1983-1985 in primary and secondary schools. 1 objects and methods of visual acuity test using a fluorescent lamp with a surface illumination of 10001x international standard chart box, according to the unified vision test of primary and secondary students in Chengdu, in late September every year to fix the determination of the students naked eye vision. continuous