Prevalence of myopia in Africans. Survey in Monrovia and Dar es Salaam.
D000293:Adolescent; D000328:Adult; D000354:Africa, Western; D001741:Black or African American; D044383:Black People; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D009216:Myopia / Q000453:epidemiology*