为了贯彻落实党对学校卫生工作的关怀精神,促进学生在德、智、体全面发展、培养合格的四化人才及掌握我县中、小学生视力减退情况。在县城中、小学于八三年四月进行了视力调查,现将调查情况分述如下: 调查方法:采用自然光系数,国际标准视力表悬挂在高度为一米的墙壁为限 In order to implement the spirit of the party’s concern for school hygiene, promote the all-round development of moral, intellectual and physical education, cultivate qualified four talents and master the sight loss of primary and secondary school students in our county. In the county seat, the primary school carried out a vision survey in April 2003. The survey is divided as follows: Survey method: The natural light coefficient, the international standard eye chart hanging at a height of one meter wall is limited