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Distance2
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Visual Acuity2
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Salapatek, Philip2
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Infant Visual Acuity as a Function of Viewing Distance
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Salapatek, Philip; And Others – Child Development, 1976
Examined acuity thresholds for 1- and 2-month-old infants by presenting square wave gratings in a preference paradigm at four viewing distances. (Author/JMB)
Descriptors: Distance, Infants, Visual Acuity, Visual Perception
Infant Accommodation and Acuity Threshold as a Function of Viewing Distance.
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Salapatek, Philip; And Others – 1975
This study investigated whether the acuity threshold for distant targets is elevated for infants ranging in age from 24 to 63 days. Using square wave gratings and a modified staircase procedure, acuity thresholds for each of 331 infants were determined for one or more of the distances 30 cm, 60 cm, 90 cm and 150 cm. Acuity threshold was defined as…
Descriptors: Distance, Eye Fixations, Infants, Physiology