light reflex

1. 1.

   reflex contraction of the sphincter muscle of the iris in response to a bright light (or certain drugs) causing the pupil to become smaller

   Synonymspupillary reflexmiosismyosis

   Broaderreflex

Questions about light reflex

What does light reflex mean?

light reflex means "reflex contraction of the sphincter muscle of the iris in response to a bright light (or certain drugs) causing the pupil to become smaller".

What is another word for light reflex?

Close synonyms include pupillary reflex, miosis, myosis. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.