Gifford reflex


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eye-clo·sure pu·pil re·ac·tion

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.

eye-clo·sure pu·pil re·ac·tion

(ī-klō'zhŭr pyū'pil rē-ak'shŭn)
A constriction of both pupils when an effort is made to close eyelids being forcibly held apart. A variant of the pupil response to near vision.
Synonym(s): Galassi pupillary phenomenon, Gifford reflex, Westphal pupillary reflex.

Gifford reflex

(gif′ŏrd)
[Harold Gifford, U.S. ophthalmologist, 1858–1929]
Pupillary contraction resulting from endeavoring forcibly to close eyelids that are held apart.

Gifford,

Harold, U.S. ophthalmologist, 1858-1929.
Gifford applicator
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Gifford reflex - constriction of both pupils when an effort is made to close eyelids forcibly held apart. Synonym(s): eye-closure pupil reaction
Gifford sign - difficulty in everting the upper eyelid in Graves disease.