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November 1981

The Baylor Video Acuity Tester

Author Affiliations

From the Ophthalmic Systems Research Laboratory, Department of Ophthalmology, Baylor College of Medicine, Houston. Dr Decker is now an independent consultant in Taos, NM. Messrs Williams, Kuether, and Sitton are now with private industries in Houston.

Arch Ophthalmol. 1981;99(11):1967-1968. doi:10.1001/archopht.1981.03930020843005

• A device has been developed that offers many advantages not available with traditional visual acuity testing methods. The Baylor Video Acuity Tester (BVAT) produces randomized targets, size selectable at electronic speeds for testing even in normal ambient room light. Comparisons of the BVAT with the Project-O-Chart (American Optical Corp, Southbridge, Mass) on 60 subjects yield correlations of.93 and.95. A test-retest correlation of the BVAT of.88 was found.