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目的了解太谷县中小学生视力低下患病情况,为近视防治工作提供科学依据。方法随机抽取2009年城区范围内7所学校的学生健康体检资料共11 760份进行统计分析。结果太谷县中小学生2009年视力低下率为57.78%,随着年龄增长视力低下率逐渐增高;小学、初中、高中分别为47.35%、51.08%、79.95%;经卡方检验,差异具有统计学意义(χ2=955.68,P<0.01)。男性、女生视力低下率分别为53.33%、63.37%,经卡方检验,差异有统计学意义(χ2=119.78,P<0.01)。结论保护视力需要全社会采取有效的综合防治措施。
Objective To understand the prevalence of poor vision in primary and secondary school students in Taigu County and to provide a scientific basis for prevention and treatment of myopia. Methods A total of 11 760 student health examination data from 7 schools in urban area were randomly collected for statistical analysis. Results The prevalence of visual acuity in primary and middle school students in Taigu was 57.78% in 2009, and the prevalence of visual acuity decreased with age. The primary, middle, and high school were 47.35%, 51.08% and 79.95% respectively. The differences were statistically significant Significance (χ2 = 955.68, P <0.01). The visual acuity rates of males and females were 53.33% and 63.37%, respectively. The chi square test showed significant difference (χ2 = 119.78, P <0.01). Conclusion To protect eyesight requires the whole society to take effective and comprehensive prevention and control measures.