LIGHT REFLEX

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does light reflex mean? 

• LIGHT REFLEX (noun)
  The noun LIGHT REFLEX has 1 sense:

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

  Familiarity information: LIGHT REFLEX used as a noun is very rare.

 Dictionary entry details 

• LIGHT REFLEX (noun)

Sense 1

Meaning:

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

Classified under:

Nouns denoting acts or actions

Synonyms:

light reflex; miosis; myosis; pupillary reflex

Hypernyms ("light reflex" is a kind of...):

inborn reflex; innate reflex; instinctive reflex; physiological reaction; reflex; reflex action; reflex response; unconditioned reflex (an automatic instinctive unlearned reaction to a stimulus)