Characteristics of persons with corrective lenses. United States--July 1965-June 1966.
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D003261:Contact Lenses; D003710:Demography; D005139:Eyeglasses; D005260:Female; D006306:Health Surveys; D006801:Humans; D008297:Male; D008875:Middle Aged; D012494:Sampling Studies; D012959:Socioeconomic Factors; D013223:Statistics as Topic; D014481:United States