Vision screening of adolescents and their use of glasses
Vision screening was performed in over 11 000 16-year-olds who were taking part in the National Child Development Study. For distance vision 75% had normal acuity, 9% a minor defect, and 16% a more severe unilateral or bilateral defect. For near vision 85% had normal vision, 8% a minor defect, and 7...
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Veröffentlicht in: | BMJ 1979-04, Vol.1 (6171), p.1111-1113 |
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