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Article
September 1973

An Accurate Gaze Position Indicator for Strabismus Measurement

Author Affiliations

San Francisco
From the Smith-Kettlewell Institute of Visual Sciences, San Francisco. Dr. de Groot is now with the Centre D'Ophtalmologie Maisonneuve, Montreal.

Arch Ophthalmol. 1973;90(3):225-226. doi:10.1001/archopht.1973.01000050227008
Abstract

A small bit of cardboard with a 2-mm pin hole can be taped to the spectacle lens to form a peep sight through which gaze must be maintained. This allows reproduction of frontal plane gaze position with an accuracy of one degree. In turn, this allows accurate reproduction of alignment measurements, which otherwise would vary with change of gaze position in incomitant strabismus.

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