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Roberts, 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