[关键词]
[摘要]
目的：了解三亚市河西区小学生视力不良状况，对引起近视的原因进行分析。
方法：对三亚市2所小学1 218名1～6年级小学生进行视力及屈光度检查。对近视原因进行问卷调查。
结果：视力不良检出率为29.55%； 近视随年级增高呈增高趋势； 女生近视发生率较男生为高； 患近视小学生户外活动时间为7.25±5.35h/wk，而非近视小学生户外活动时间则为11.86±6.65h/wk，两者差异显著(P<0.05)； 患近视小学生看电视、电脑、手机时间为13.36±8.35h/wk，而非近视小学生看电视、电脑、手机时间为7.75±5.83h/wk，两者差异有统计学意义(P<0.05)。
结论：小学生近视的发生率明显上升； 小学生近视的发生与户外活动时间减少及看电视、电脑和手机时间增多有关。
[Key word]
[Abstract]
AIM: To evaluate the poor vision condition and analyze the myopia etiological factor in primary school He'xi district of Sanya.
METHODS: A cohort of 1 218 subjects were recruited randomly from grade 1～6 of two primary schools. Visual activity test, dioptroscopy and risk factor questionnaire were evaluated.
RESULTS: The prevalence of poor vision was 29.55%. The incidence of myopia increased with grade, and was significantly higher in girls than that in boys. The outdoor activity time of myopic pupil(7.25±5.35h/wk)was significantly lower than emmetropic pupil(11.86±6.65h/wk)(P<0.05). The usage of electronic product(TV, computater and cell phone)time of myopic pupil(13.36±8.35h/wk)was significantly higher than emmetropic pupil(7.75±5.83h/wk)(P<0.05).
CONCLUSION: The increase of myopia incidence is closely related with sparing outdoor activity and excess usage of electronic product.
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