light reflex


Contraction of the pupil of the eye in response to an increase in light.
A circular red light reflected from the retina of the reflex
cone of light

Nearby words

  1. light pipe,
  2. light pollution,
  3. light quantum,
  4. light rail,
  5. light reaction,
  6. light show,
  7. light table,
  8. light therapy,
  9. light trap,
  10. light treatment

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.