根据2005年全国学生体质与健康调研公告显示,各年龄组的视力不良检出率均有所上升,且随年龄增加视力不良检出率明显升高,其中初中段城乡视力不良检出率分别是68.08%和47.90%。为此特于2009年12月对我校七年级学生视力做了调查,目的在于了解该年级学生视力状况,为制订预防措施提 According to the 2005 National Students Constitution and Health Research Bulletin, poor visual acuity in all age groups have increased the detection rate, and with increased age, visual acuity was significantly increased detection rate, of which the detection rate of poor eyesight in urban and rural junior high school were 68.08% and 47.90%. To this end, especially in December 2009 on the seventh grade students in our school made a vision survey, the purpose is to understand the grade students visual acuity, for the development of preventive measures