【摘要】 目的　了解深圳市中小学生视力及屈光状态 ,为防治中小学生视力不良提供依据。方法　2 0 0 1年 6月至 2 0 0 1年 9月 ,用随机整群抽样方法 ,对深圳市 2 3 76名 (4 75 2眼 )中小学生进行视力普查 ,对其中视力低常者进行屈光检查 ,并对结果进行分析。结果　在 2 3 76名中小学生中 ,视力低常人数 1 42 7名 (2 794眼 ) ,占普查人数的 60 0 6% ,主要原因为屈光不正。小学组以远视眼为主 (占5 4 3 4% ) ,初、高中组以近视眼为主 (分别占 5 4 0 6% ,74 68% )。自戴眼镜矫正视力 1 0以上者仅占 48 1 7%。结论　深圳市中小学生中视力低常者超过半数 ,主要原因为屈光不正。近视眼的患病率增加。半数以上已戴眼镜者镜片屈光度不够准确。更多还原

【Abstract】 Objective To investigale the visual acuity and refractive situation of students both primary and middle school in Shenzhen, and to provide a preferent data for the prevention and treatment of the student with refractive error students. Methods Mass survey of visual acuity was carried out in the 2376 cases (4752 eyes) from primary and middle school in Shenzhen, from June to September, 2001. The samples were chosen by random cluster sampling. The refraction of 1427 cases (2794 eyes) among them need examined and the results were analyzed. Result Among the 2376 samples visual acuity of 1427 (2794 eyes) are lower than normal and the rate is 60.06%. It mainly is caused by ametropra. 61.99% of students hyperopia in primary school. 54.06% of students in primary school and 74.68% of students in high school are myopia. Only 48.17% of corrected vision are above 1.0. Conclusion The visual acuity of more than half of primary and middle school students in Shenzhen are lower than normal. It mainly is caused by ametropra. Myopia incidence is increasing in Shenzhen primary and middle school students. The diopter of more than half glasses are not accurate.更多还原