Blindness and poverty go hand in hand.
Cook
N J
NJ
Rogers
N K
NK
D000293:Adolescent; D001766:Blindness / Q000453:epidemiology* / Q000209:etiology; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D011203:Poverty; D012807:Sierra Leone / Q000453:epidemiology