Prevalence and pattern of blindness in the field practice area of a rural health training centre.
D000293:Adolescent; D000328:Adult; D001766:Blindness / Q000453:epidemiology* / Q000209:etiology / Q000517:prevention & control; D002648:Child; D002675:Child, Preschool; D003430:Cross-Sectional Studies; D006801:Humans; D007194:India; D008875:Middle Aged; D012423:Rural Health; D012424:Rural Population