Uncorrected refractive error.
McCarty
C A
CA
D003906:Developing Countries; D005139:Eyeglasses; D014943:Global Health; D006801:Humans; D015994:Incidence; D009216:Myopia / Q000453:epidemiology* / Q000209:etiology / Q000628:therapy; D011203:Poverty; D015995:Prevalence; D012030:Refractive Errors; D012449:Safety