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eye-closure pupil reaction


Definition: 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(s): Galassi pupillary phenomenon, Gifford reflex, lid-closure reaction, orbicularis phenomenon, orbicularis pupillary reflex, Piltz sign, Westphal pupillary reflex, Westphal-Piltz phenomenon

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.