Medical Definition of Stiles–Crawford effect
: an optical phenomenon in which light passing through the center of the pupil is perceived as more intense than light passing through the periphery of the pupil
Biographical Note for stiles–crawford effect
Walter Stanley (1901–1985), and
Brian Hewson (1906–1991), British physicists. Stiles spent almost all of his career as a research scientist at the National Physical Laboratory in Great Britain. He was the author of numerous papers on illuminating engineering and physiological optics. He published book-length studies on thermionic emission (1932), the science of color (1967), and the mechanisms of color vision (1978). In 1933 Stiles and Crawford, a fellow researcher at the National Physical Laboratory, published a paper on the optical phenomenon now known as the Stiles-Crawford effect.
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