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Nuttall, Ronald L.; Delaney, Anne Marie – Journal of Visual Impairment and Blindness, 1978
An analysis of the annual reports of the Massachusetts Commission for the Blind from 1966 to 1975 and examination of numbers registered with the Commission from 1976 and 1977 revealed a 69 per cent increase in the registered population for these 12 years. (Author)
Descriptors: Age Differences, Blindness, Etiology, Exceptional Child Research

Genensky, 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

Brambring, M.; Troster, H. – Journal of Visual Impairment and Blindness, 1992
Parents (n=52) of blind and partially sighted infants and preschoolers were surveyed concerning the frequency of occurrence and stability of the children's stereotyped behaviors. Stereotyped behaviors frequently observed in blind children proved to be stable, whereas other stereotyped behaviors were less stable. Age of child and frequency of…
Descriptors: Age Differences, Behavior Change, Behavior Development, Behavior Patterns
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