Wernicke's reaction

Wernicke's reaction definition - medical

Wernicke's reaction

noun
A reaction seen in hemianopsia in which the pupil constricts when light is directed to the normal side of the retina, but fails to constrict when light is directed to the retina's blind side. Also called hemiopic pupillary reaction, Wernicke's sign.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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