title: [Current status and problems in the study of myopia].
mesh_terms: D000293:Adolescent; D035843:Biomedical Research / Q000639:trends*; D002648:Child; D002681:China / Q000453:epidemiology; D005260:Female; D006801:Humans; D008297:Male; D009216:Myopia / Q000453:epidemiology*