Visual Acuity of Children [electronic resource] : United States.

National estimates based on the findings from the Health Examination Survey in 1963 to 1965 of uncorrected monocular and binocular visual-acuity levels of children were studied. A nationwide sample of 7,417 children was selected to represent the approximately 24 million noninstitutionalized American...

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Online Access: Full Text (via ERIC)
Corporate Author: United States. Health Services and Mental Health Administration
Format: Electronic eBook
Language:English
Published: [S.l.] : Distributed by ERIC Clearinghouse, 1970.
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Call Number: ED046650
ED046650 Available