pupillary reflex


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Related to pupillary reflex: accommodation reflex, white pupillary reflex

pupillary reflex

[′pyü·pə‚ler·ē ′rē‚fleks]
(physiology)
Contraction of the pupil in response to stimulation of the retina by light. Also known as Whytt's reflex.
Contraction of the pupil on accommodation for close vision, and dilation of the pupil on accommodation for distant vision.
Contraction of the pupil on attempted closure of the eye. Also known as Westphal-Pilcz reflex; Westphal's pupillary reflex.
References in periodicals archive ?
This also provides the opportunity to determine what the pupilary reflex should appear like in the child's particular ethnic group, since the pupillary reflex can vary with the degree of ocular pigmentation (melanin); indeed, this is often a cause for misdiagnosis.
Ocular examination should include assessment of visual function, nystagmus, strabismus, the presence or absence of a red pupillary reflex, IOP, corneal diameter and co-existing ocular conditions such as persistent hyperplastic primary vitreous and coloboma (see later).
Clinical features noted at the time of admission were temperature, heart rate, respiratory rate, systolic blood pressure, Glasgow coma scale, pupillary reflex, tone and fundus.