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目的了解营口市中小学生视力状况,为学校预防近视工作提供科学依据。方法根据2010年全国学生体质调研资料,对营口市中小学生视力不良检出率、平均视力和视力不良程度进行分析。结果 2010年营口市中小学生视力不良检出率为42.5%,视力不良检出率随年龄上升显著增高;女生视力不良检出率显著高于男生;城市、乡村学生比较差异无统计学意义。城、乡学生平均视力值相当,各年龄组间差异无统计学意义。7～9岁学生视力不良检出率较2005年增长11.7个百分点;12岁以上学生重度视力不良构成比均高于轻、中度。结论课业负担过重、用眼时间超长、不良用眼卫生习惯等是中小学生视力不良检出率大幅度增长的重要因素。
Objective To understand the visual status of primary and secondary school students in Yingkou and to provide a scientific basis for school prevention of myopia. Methods Based on the data of 2010 National Student Physical Fitness Survey, the detection rate, the average visual acuity and the poor visual acuity of primary and secondary school students in Yingkou were analyzed. Results The incidence of poor eyesight in primary and secondary school students in Yingkou in 2010 was 42.5%. The detection rate of poor eyesight increased significantly with age. The prevalence of poor eyesight in girls was significantly higher than that of boys. There was no significant difference between urban and rural students. The mean visual acuity of students in urban and rural areas was similar, with no significant difference among all age groups. The detection rate of poor vision of students aged 7-9 years increased by 11.7 percentage points compared with that of 2005; the proportion of severe vision impairment among students over 12 years old was higher than that of mild and moderate. Conclusion The burden of schoolwork is too heavy, with the eye time is too long, poor eye health habits are primary and secondary school students with poor vision detection rate increased significantly.