light reflex vs pupillary reflex

light reflex and pupillary reflex both are nouns.

Word	Noun	Adjective	Verb	Adverb
light reflex	Yes	No	No	No
pupillary reflex	Yes	No	No	No

As nouns, light reflex and pupillary reflex are synonyms defined as:

light reflex and 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

Other synonyms of light reflex include miosis, myosis.

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