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An optical analysis of a photographic technique, "eccentric photorefraction," designed to measure refraction and accommodative states along a single meridian of the eye, is presented. Empirical measures taken from a model eye support the theoretical derivation. The application of the technique for use with human infants is discussed with reference to measurements taken from human eyes.


Journal article


Am J Optom Physiol Opt

Publication Date





614 - 620


Humans, Infant, Mathematics, Models, Biological, Myopia, Refraction, Ocular, Refractive Errors, Vision Tests