青海省土族学生1991,1999年视力不良率的动态分析

The Dynarmic Analysis of the Percent of Bad Eyesight and Shout-eyesight to Tuzu Students of Qinghai Prorince Between 1991-1999

本文对 1991、1999年青海省土族学生体质健康状况调研的视力部分进行分析 ,并与既往的资料进行比较 ,总结土族学生预近工作的经验 ,为有关主管部门制定政策提供依据。

The auther analysed the eye sight material to Tuzu students based on the inuestigation and neserch material for Tuzu students of Qinghai province made in 1999 and compered it with the Tent and sured up the expevence for preventing from short eyesight and prorided the basis for ralatine poverment depontient to make prliey.