light reflex

Noun light reflex has 1 sense

• light reflex(n = noun.act) miosis, myosis, 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 smaller;
is a kind of inborn reflex, innate reflex, instinctive reflex, physiological reaction, reflex, reflex action, reflex response, unconditioned reflex