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近视是我国中小学生检出率最高的常见病,近年来,学生近视患病率有逐年增加的趋势。近视会导致儿童青少年注意力深度、广度受限,辨认远处和精细目标能力下降,对学习和体质健康有不良影响。为了解昌平区中小学生近视患病状况,以便为该地区中小学生近视的防治工作提供依据,现将2007—2011年昌平区中小学生视力不良状况进行了统计分析,现将结果报道如下。1资料来源与方法1.1资料来源资料为昌平区2007—2011年中小学
Myopia is the most common primary and secondary school students detection rate in China in recent years, the prevalence of myopia has increased year by year trend. Myopia will result in children and adolescents with limited attention, limited breadth, diminished ability to identify distant and subtle goals, and adverse effects on learning and physical fitness. In order to understand the prevalence of myopia in primary and secondary students in Changping District, in order to provide the basis for the prevention and treatment of myopia in primary and secondary schools in the region, now the statistical analysis of poor eyesight in primary and secondary school students in Changping District from 2007 to 2011, the results are reported below. 1 Sources and methods 1.1 Source information for the Changping District 2007-2011 primary and secondary schools