PMID: 696798May 1, 1978Paper

Applying new design principles to the construction of an illiterate E chart

American Journal of Optometry and Physiological Optics
H R Taylor

Abstract

New design principles have been applied to the construction of an illiterate E chart. A chart can thus be produced in which the only variable in the visual acuity task for letters of different size is the letter size itself. A simple method for using this chart in field studies is described.

Citations

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