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Science 23 April 1965:
Vol. 148. no. 3669, pp. 528 - 530
DOI: 10.1126/science.148.3669.528
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Articles

Visual Accommodation in Human Infants

Harold Haynes 1, Burton L. White 2, and Richard Held 3

1 College of Optometry, Pacific University, Forest Grove, Oregon
2 Department of Psychology, Massachusetts Institute of Technology and Department of Child Study, Tufts University, Medford, Massachusetts
3 Department of Psychology, Massachusetts Institute of Technology, Cambridge

By the technique of dynamic retinoscopy, we found that the alert newborn infant can focus his eye on targets only at a particular distance (median, 19 centimeters). Images of targets nearer or farther away are proportionately blurred. However, during the first few postnatal months the range of flexible accommodation increases and approximates adult performance by the 4th month.


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The Assessment of Visual Function in Young Children: An Overview: Regrettably There Are No Rapid and Infallible Methods.
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Orientational anisotropy in infant vision.
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Optics and Visual Physiology.
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Science. ISSN 0036-8075 (print), 1095-9203 (online)