Yongsuk Seo, Hyun-Su Youn
Comparison of Korean School Students' Safety Accident Rates before and after COVID-19
Healthcare (Basel, Switzerland)
purpose study describe baseline refractive error habitual accommodative tone hat tibetan children longitudinal association incident myopia myopia progression prospective cohort study 7 elementary schools 1440 children mean age 683 046 years included full noncycloplegic cycloplegic refraction data baseline 1year 2year followup lhasa childhood eye study noncycloplegic cycloplegic automated refraction performed baseline annually next 2 years hat measured difference spherical equivalent dse noncycloplegic cycloplegic refraction mean hat decreased baseline value 092 082 diopters 055 065 p 00001 2 years multivariable logistic regression models baseline spherical equivalent se p 00001 significantly negatively associated 1 2year incident myopia among 1386 children without myopia baseline 271 developed myopia 2 years hyperopic children baseline hat significantly associated incidence myopia 2 years odds ratio 043 p 0001 incidence myopia significantly lower baseline hat 05 compared children 05 54 375 children myopic baseline se significant positively associated myopic progression univariable p 003 multivariable general mixed linear regression analysis p 003 baseline se independent influencing factor incidence myopia progression incidence myopia significantly higher lower baseline hat among hyperopic children indicating lower hat potentially associated myopic development