摘要
对２４３５ 名４ ～７ 岁学龄前健康儿童的视力不良情况进行了分析比较．结果表明，视力不良率为６１ ．７０ ％ ；各年龄之间存在明显差异，性别差异不明显；同１９８０ 、１９８５ 、１９９０ 年相关资料进行比较，视力不良率明显上升。
In the present papers 2?435 normal preschool children aged 4 to 7 are analyzed and probed for malvision.The results showed that the rate of malvision is 61.70%.There is significant difference between different ages,and the difference is not evident between different sexes.The results which we obtained in the paper compared with the relevant datum in 1980,1985 and 1990s,the rate of malvision is distinctly raised.
出处
《内蒙古师范大学学报（自然科学汉文版）》
CAS
1999年第3期224-227,共4页
Journal of Inner Mongolia Normal University(Natural Science Edition)
基金
内蒙古师范大学青年科学基金
