title: Visual acuity of the Gidra in lowland Papua New Guinea.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D005006:Ethnicity; D005260:Female; D006801:Humans; D008019:Life Style; D008297:Male; D008875:Middle Aged; D010219:Papua New Guinea; D014792:Visual Acuity