- pupillary light reflex
- pupillary r. (def. 1).
Medical dictionary. 2011.
pupillary light reflex
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Pupillary light reflex — The pupillary light reflex is the reduction of pupil size in response to light.The pattern of pupillary response to light can help determine which of the cranial nerves is damaged. TypesThere are two types of response assessed for each eye:cite… … Wikipedia
light reflex — see pupillary reflex * * * 1. cone of light. a circular spot of light seen reflected from the retina with the retinoscopic mirror. 2. pupillary r. (def. 1) … Medical dictionary
light reflex — noun reflex contraction of the sphincter muscle of the iris in response to a bright light (or certain drugs) causing the pupil to become smaller • Syn: ↑pupillary reflex, ↑miosis, ↑myosis • Derivationally related forms: ↑myotic (for: ↑myosis), ↑ … Useful english dictionary
light reflex — see pupillary reflex … The new mediacal dictionary
Pupillary reflex — refers to one of the reflexes associated with pupillary function. Types include: Pupillary light reflex Accommodation reflex Although pupillary dilation is not usually called a reflex , it is still usually considered a part of this topic.… … Wikipedia
Pupillary response — or dilation of the pupil is a physiological response that varies the size of the pupil of the eye via the iris dilator muscle. It can have a variety of causes. It may be an involuntary reflex reaction to exposure to light. Or it may indicate… … Wikipedia
direct light reflex — contraction of the sphincter iridis and reduction of the size of the pupillary aperture immediately after a ray of light is thrown upon the retina through the pupil … Medical dictionary
Reflex — For other uses, see Reflex (disambiguation). A reflex action, also known as a reflex, is an involuntary and nearly instantaneous movement in response to a stimulus.[1] A true reflex is a behavior which is mediated via the reflex arc; this does… … Wikipedia
pupillary reflex — n the contraction of the pupil in response to light entering the eye * * * the reflex change in the size of the pupil according to the amount of light entering the eye. Bright light reaching the retina stimulates nerves of the parasympathetic… … Medical dictionary
pupillary reflex — light reflex the reflex change in the size of the pupil according to the amount of light entering the eye. Bright light reaching the retina stimulates nerves of the parasympathetic nervous system, which cause the pupil to contract. In dim light… … The new mediacal dictionary
