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为了解视力低下的发病规律，笔者将周村城区一所重点初级中学连续11年的学生视力监测结果进行了分析，报道如下。1对象与方法1．1对象：选择周村城区一所重点初级中学1985－1995年全体在校学生的视力资料。1．2方法：每年9－10月份由区卫生局、区教委统一组织学生健康查体，所
In order to understand the law of low vision incidence, the author analyzed the results of student vision monitoring for 11 consecutive years in a key junior high school in Zhoucun District and reported the following. 1 Objects and Methods 1.1 Objects: Select the visual acuity data of all students in a key middle school in Zhoucun District from 1985 to 1995. 1.2 Method: From September to October each year, the District Health Bureau and the District Education Committee will organize students’ health examinations.