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Thesis

Binocular testing of the vertical phoria

1 December 1965

Abstract

The purpose of this project is to make a comparative study of the vertical phorias measured by the binocular refractive technique, the Maddox Rod technique, and the Von Graefe technique; and to investigate the correlation between the vertical prism measured by the binocular refractive technique and the mean portion that might have been prescribed by practicing optometrists in the field as determined by questionnaire.


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