pupillary reflex


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Related to pupillary reflex: accommodation reflex, white pupillary reflex
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Noun1.pupillary reflex - reflex contraction of the sphincter muscle of the iris in response to a bright light (or certain drugs) causing the pupil to become smallerpupillary reflex - reflex contraction of the sphincter muscle of the iris in response to a bright light (or certain drugs) causing the pupil to become smaller
References in periodicals archive ?
The most common sign of retinoblastoma is a white pupillary reflex, known as leukocoria (Wallach and Balmer, 2006).
Where the patient has a significantly better near pupillary reflex than a light pupillary reflex, this is known as near-light dissociation.
The pupillary reflex can be seen clearly from the pupillary size profile, however.