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Giffords reflex

Giffords reflex --> eye-closure pupil reaction

a constriction of both pupils when an effort is made to close eyelids forcibly held apart. A variant of the pupil response to near vision.

Synonym: galassis pupillary phenomenon, giffords reflex, lid-closure reaction, orbicularis phenomenon, orbicularis pupillary reflex, Piltz sign, Westphal's pupillary reflex, Westphal-Piltz phenomenon.


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