Prevalence of myopia and spectacles use among students in Guizhou Province,2021
Objective To analyze the prevalence of myopia and spectacles use among students in Guizhou Prov-ince.Methods From September 2021 to December 2021,43 652 students from 135 schools in Guizhou Province were se-lected by stratified cluster random sampling method,and their visual acuity test and refractive status examination were con-ducted.Chi-square test was used to analyze the prevalence of myopia and spectacles use for students of different demographic characteristics.Results The rate of myopia among students in Guizhou Province was 42.9％,and the rate of myopia showed an increasing trend with grade(x2trend=576.293,P＜0.05).Additionally,the proportion of low myopia decreased with grade increasing,while the proportion of moderate and high myopia showed an increasing trend with grade(x2趋势=619.278,P＜0.05).The rate of myopia among female students was 47.4％,which was higher than that of male students 38.8％(x2=325.654,P＜0.05).The rate of myopia among urban students was 46.3％,which was higher than that of suburban counties students 38.0％(x2=297.807,P＜0.05).The rate of spectacles use and full correction among myopic students was 36.3％and 59.3％respectively,and the rate of spectacles use showed an increasing trend with grade(x2趋势=546.063,P＜0.05).The rate of spectacles use among female students was 38.6％,which was higher than that of male students 33.7％(x2=48.145,P＜0.05),and the rate of spectacles use among urban students was 38.2％,which was higher than that of suburban counties students 33.2％(x2=46.725,P＜0.05).Conclusion The prevalence of myopia among students was not optimisticin in Guizhou Province,and the rates of spectacles use and full correction among myopic students were relatively low.The prevention and control of myopia should focus on female students and urban areas.
MyopiaThe rate of spectacles useThe rate of full correctionStudents
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