A comparative study of the prevalence of myopia and behavioral changes in primary school students

HIGHLIGHTS

• who: Haishao Xiao from the This study was designed as a school-based investigation using random cluster sampling of the children from the Lucheng district of Wenzhou, southeastern China, and three schools were selected randomlyThese public schools were in an urban area with a similar campus environment, curriculum, and socioeconomic status. A total of , students between the ages of, years participated in March, and another , students between the ages of, years participated in May, . Subjects with a history of any ocular diseases or atropine eye drops or use of orthokeratology lens wear were excluded. The surveys were . . .
  

   

  

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