论文部分内容阅读
为进一步了解和掌握我县中小学生视力低下的动态变化情况，将９２年与９７年我县中小学生视力状况作一比较，以探讨其变化规律，从而为防治措施的制定提供依据。１ 资料来源及统计资料来自于９２年与９７年中小学生“六病”监测工作记录。选择我县教学及卫生条件中等的城镇中
In order to further understand and grasp the dynamic changes of low vision of primary and secondary school students in our county, we compared the eyesight situation of primary and middle school students in our county in 1992 with that in 1997 to explore the changing rules and provide the basis for the prevention and control measures. 1 Data sources and statistics are from the monitoring records of primary and secondary school students’ “six diseases” in 1992 and 1997. Select my county teaching and health conditions in the middle of the town