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Peripheral visual acuity in school aged children

18 May 1978


An exploratory study using dual target presentation of peripheral visual acuity targets for school aged children was undertaken. Children in the second (N=B), fourth (N=11), and sixth (N=9) grades were presented with acuity levels of 20/1300, 20/650, 20/325, and 20/162 at three angular separations of 32, 25, and 17 degrees to the right eye only. A trend was found for increased recognition error with each decreasing acuity size with increasing angular separation. When only one target of the pair was reported correctly, the nasal field target was identified correctly more often than the temporal field by a ration excess of 4 to 1. suggestions for a more effective experiment were offered.


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