title: Visual acuity and field of vision of urban and rural Egyptians.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D004534:Egypt; D005191:Family Characteristics; D005260:Female; D006306:Health Surveys; D006801:Humans; D008297:Male; D008875:Middle Aged; D012424:Rural Population; D012494:Sampling Studies; D012737:Sex Factors; D014505:Urban Population; D014787:Vision Tests; D014792:Visual Acuity; D058609:Visual Field Tests; D014794:Visual Fields