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Peer reviewedGenensky, Samuel M. – Journal of Visual Impairment and Blindness, 1978
The article examines the relative sizes of the nation's partially sighted, legally blind but not functionally blind, and functionally blind populations as a function of age. (Author/CL)
Descriptors: Age Differences, Blindness, Exceptional Child Research, Incidence
Visual Acuity of Youths 12-17 Years, United States. Vital and Health Statistics, Series 11, No. 127.
Download full textRoberts, Jean; Slaby, David – 1973
Presented are the findings of a national health examination survey of uncorrected and corrected monocular and binocular visual acuity of 7,514 noninstitutionalized youth 12 to 17 years of age analyzed with respect to age, sex, race, geographic region, size of place of residence, and annual family income. Among findings reported are that 70 0/0 of…
Descriptors: Exceptional Child Research, Incidence, National Surveys, Partial Vision
National Center for Health Statistics (DHEW/PHS), Hyattsville, MD. – 1968
Derived from household interviews, the study was based upon a sample of about 42,000 households including 134,000 persons. Findings were that the visually impaired represented an older segment of the population and that the marked increase in estimated trends resulted not from severe but rather from other impairments. Of an estimated 5,029,000…
Descriptors: Age Differences, Blindness, Braille, Classification
