VISUAL DEFECTS IN THE DEAF CHILD

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Abstract
AN ANALYSIS of the findings in the ophthalmologic examinations which for the past 10 years have been included as part of the routine physical examination of the pupils at the Pennsylvania School for the Deaf in Philadelphia shows a higher incidence of refractive errors in this group of handicapped children than has been reported for hearing children of a comparable age group. During this 10-year period 960 children have been examined and treated as the need arose by ophthalmologists in a weekly clinic held at the school infirmary. At the time of admission to the school the visual acuity of each child was determined by the use of the illiterate "E" chart, based on the Snellen test sizes. It has been found that a more accurate determination of the visual acuity was obtained by use of this chart, since many of these children either are unable to talk or do

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