Juliana M Andrade, Ada A Assunção, Mery N S Abreu
Long working hours in the healthcare system of the Belo Horizonte municipality, Brazil: a population-based cross-sectional survey
Human resources for health
investigate trend refractive error among elementary school students grades 1 3 hubei province analyze relevant factors affecting myopia progression develop model predict myopia progression risk developing high myopia children longitudinal study using clusterstratified sampling method elementary school students grades 1 3 15512 total 17 cities hubei province included study subjects visual acuity cycloplegic autorefraction height weight measurements performed three consecutive years 2019 2021 basic information students parental myopia education level students behavioral habits using eyes collected questionnaires baseline refractive errors children grades 1 3 hubei province 2019 020 011 027d 014 021 006d 029 037 022d respectively annual myopia progression 065 074 063d 061 073 059d 059 064 051d prevalence myopia increasing 1756 209 3408 2019 2416 3224 4037 2021 2 6329 p 0001 growth childrens refractive error moved toward myopia quantity myopic progression gradually diminished f 29104 p 0027 myopia progression boys less girls grade p 0001 change spherical equivalent refraction myopic children smaller hyperopic emmetropic children f 5928 p 0001 refractive change mild myopia moderate myopia high myopia children gradually increased f 7312 p 0001 large baseline refractive error large body mass index high frequency eating sweets risk factors myopia progression parental intervention strong eyecare awareness protective factors delaying myopia progression nomogram graph predicted probability developing high myopia children found baseline refraction greatest predictive value myopia progression varies age sex myopia severity baseline refraction important factor predicting high myopia childhood focus children large baseline refraction young age onset myopia clinical myopia prevention control