Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun light_reflex

1 sense of light reflex

Sense 1
light reflex, pupillary reflex, miosis, myosis -- (reflex contraction of the sphincter muscle of the iris in response to a bright light (or certain drugs) causing the pupil to become smaller)
       => reflex, reflex response, reflex action, instinctive reflex, innate reflex, inborn reflex, unconditioned reflex, physiological reaction -- (an automatic instinctive unlearned reaction to a stimulus)