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Article
August 1940

DISCUSSION ON ARTICLE BY DR. JOHN B. HITZ

Arch Ophthalmol. 1940;24(2):427. doi:10.1001/archopht.1940.00870020219033

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Abstract

Dr. A. D. Ruedemann, Cleveland : The lack of correlation between the results of Dr. Hitz's tests and those of the Betts test may lie in the fact that Dr. Hitz does not use a vertical muscle test or a test for stereopsis. It is possible that if he had used a greater variety of test cards a larger number of errors would have been found merely by the law of averages.

Most children are not equal to accurate muscle tests until they reach the age of 8 or 9 years. Possibly an attempt is being made to make up for an inadequate school system or inadequate teaching by trying to prove that most children have poor eyesight rather than receive poor instruction.

It seems to me that the proper procedure would be to find out if the child has a visual defect by ascertaining if certain clinical signs or symptoms

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