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目的了解杭州地区中小学生的视力不良发生情况及其影响因素,为制定有效防治措施提供科学依据。方法采用分层整群随机抽样方法,对杭州地区中小学生97 692名的视力检查资料进行分析。结果杭州市中小学男生和女生的视力不良检出率分别为70.5%和76.7%,且女生视力不良检出率在各学段均高于男生(P值均<0.01),男、女生视力不良检出率及重度视力不良所占比例均随学段和年龄增加明显升高(P值均<0.01);沙眼和城区均是学生视力不良的危险因素(P值均<0.01)。结论杭州地区中小学生视力不良情况较为严重,且有逐渐低龄化的趋势。学生的视力保护工作应当从小抓起。
Objective To understand the incidence of poor eyesight and its influencing factors in primary and secondary school students in Hangzhou and to provide a scientific basis for making effective prevention and control measures. Methods A stratified cluster random sampling method was used to analyze the visual acuity test data of 97 692 primary and secondary school students in Hangzhou. Results The prevalence of poor eyesight in primary and secondary school boys and girls in Hangzhou was 70.5% and 76.7%, respectively. The prevalence of poor eyesight in girls was higher than that of boys in all academic years (P <0.01), poor eyesight in boys and girls (P <0.01). Both trachoma and urban areas were the risk factors for poor eyesight (P <0.01) .There was a significant difference between the two groups (P <0.01). Conclusion Primary and secondary school students in Hangzhou have worse visual acuity and a tendency of getting younger age. Students’ eyesight protection should start small.