Anton Kaufmann, Patrick Butcher, Kathryn Maden, Stephan Walker, Mirjam Widmer
Simplifying Nontargeted Analysis of PFAS in Complex Food Matrixes
Journal of AOAC International
study examined current status myopia among primary secondary school children northeastern sichuan analyze factors connected myopia provide data support theoretical foundation prevention control myopia using crosssectional study comprehensive sampling survey 34138 students aged 519 years screened refraction 22 primary secondary schools langzhong 4000 behavioral questionnaires delivered random evaluation rational problemsolving total 3764 valid questionnaires obtained spss 230 statistical software used data analysis percentage myopia among primary secondary school students langzhong 6561 female students higher rate male students p 005 5281 primary school students 8626 secondary school students 8817 high school students myopia incidence myopia detection increased school age p 0001 indicating correlation age myopia prevalence prevalence myopia mainly low 4053 moderate myopia 1989 prevalence high myopia 519 relatively high prevalence myopia among female students 554 greater male students p 005 increased age p 0001 proportion students wore eyeglasses 2436 larger proportion female students 2593 male students 2261 p 0001 addition rate eyeglass use increased school age p 0001 logistic regression analysis revealed higher grade point averages female gender longterm usage electronic items risk factors myopia results questionnaire survey revealed students region immense pressure perform well academically spent lot time engaged nearwork activities low rate myopia awareness 2443 students vision examination previous year indicating parents pay sufficient attention eye health incidence myopia among children teenagers high northeast sichuan outlook addressing problem bleak therefore critical improve vision monitoring eye health education