Analysis of baseline survey results of myopia tracking in a birth cohort of a hospital in Yangzhou City
Objective To investigate the myopia situation of primary school students born in a hospital in Yang-zhou City,and analyze the influencing factors of myopia to provide baseline data for myopia cohort tracking.Methods In-fants born in a hospital in Yangzhou City from May 2014 to May 2015 were recruited as the research subjects,and question-naires were used from March to June 2022 to investigate the binocular visual acuity of all subjects by using an indoor light box standard logarithmic eye chart,and the risk factors for myopia were analyzed.Results Among the 1 472 primary school students surveyed,143(9.71％)were found to be myopia.The results of the single-factor test showed that there were statisti-cally significant differences in the myopia detection rate of students in the lower primary school stage,including different grades,different ages,whether parents were myopia,whether they participated in physical education classes(≥3 times per week),how long they used electronic products(≥2 h/d),how long they slept(≥ 10 h),how long they wrote and read after class,and how many eye exercises they performed(＞2 times/d)(P＜0.05).Multivariate analysis showed that parents were myopic(OR=6.998),electronic product use time(≥2h/d)(OR=2.295),after-school writing and reading time(≥3 h/d)(OR=1.679)was a risk factor for the development of myopia in primary school students(hereinafter referred to as primary school students)in the birth cohort,and eye exercises(OR=0.233)were shown to be a vision protection measure.Conclusion The myopia of primary school students in a hospital in Yangzhou City progressed rapidly,and the occurrence of myopia was closely related to parental myopia,health exercises,daily electronic product use time,and after-school writing and reading time.
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