Theroleofoutdooractivityinmyopiaprevention

摘要： Myopia,alsoknownasnearsightedness,isthemostcommonvisiondisorderamongchildrenandyoungadults.Inthelastseveraldecades,theprevalenceofmyopiahassurgedinEastAsia.Insomeindustrializedregionsithasalreadyreachedanepidemiclevel(1,2).AsmallerincreaseintheprevalencehasalsobeenobservedinWesterncountries(2,3).Thecostofvisualaidsorcorrectionsputagreatfinancialburdenonindividuals,familiesandthehealthcaresystem. ... （共3頁）