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目的 了解中小学生视力及屈光状态 ,为中小学生视力不良防治提供依据。方法 对开封市城市、农村 7～ 1 8岁中小学生进行抽样调查 ,视力 <1 0者散瞳验光。结果 共调查中小学生 4 80 0名 ,960 0眼。其中视力正常 62 96眼 ,占受检总数的 65 58% ,视力低常 330 4眼 ,占 34 4 2 %。近视眼 32 4 1眼 ,占受检总数的 33 76% ,远视眼 4 2眼 ,占 0 4 4% ,其它眼病 2 1眼 ,占 0 2 2 %。结论 视力低常中小学生中近视眼占首位 ;城市学生视力低常率明显高于农村学生 ,女生高于男生
Objective To understand the visual acuity and refractive status of primary and secondary school students and provide the basis for prevention and treatment of poor eyesight of primary and middle school students. Methods A sample of 7 ~ 18-year-old primary and secondary school students in cities and rural areas of Kaifeng City was surveyed. The eyesight was less than 10 with mydriatic optometry. Results A total of 4 80 0 primary and secondary school students were surveyed, 960 0 eyes. Of these, 62 96 eyes were normal, accounting for 65 58% of the total number of examinations and 330 4 eyes were low vision, accounting for 34 4 2%. 32 4 1 eyes of myopia, accounting for 33 76% of the total number of subjects examined, 42 eyes of hyperopia, accounting for 04.4%, and other eye diseases 21 eyes, accounting for 022%. Conclusion The prevalence of myopia in primary and secondary school students with low vision is the highest. The prevalence of low vision of urban students is significantly higher than that of rural students, while that of girls is higher than that of boys