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
How To Use light reflex In A Sentence
- Look at the eyes again, concentrating on the light reflex in the iris and pupil.
- The photopigment melanopsin has been suggested to act as a dominant photoreceptor in nonvisual photoreception including resetting of the circadian clock (entrainment), direct tuning or masking of vital status (activity, sleep/wake cycles, etc.), and the pupillary light reflex (PLR). PLoS ONE Alerts: New Articles
- Japan The photopigment melanopsin has been suggested to act as a dominant photoreceptor in nonvisual photoreception including resetting of the circadian clock (entrainment), direct tuning or masking of vital status (activity, sleep/wake cycles, etc.), and the pupillary light reflex PLoS ONE Alerts: New Articles
- To clarify the functional roles of intrinsic PACAP in nonvisual photoreception, we examined entrainment, masking and the pupillary light reflex (PLR) in, PLoS ONE Alerts: New Articles
- If light reflex is diminished in one eye, a swinging flashlight test may discriminate between an afferent (retina or optic nerve) lesion and an efferent (third nerve or pupillary muscle) lesion.
