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Download full textNational 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
