What is the meaning of light 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.
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). light reflex. Retrieved September 21, 2026, from http://smartdefine.org/light_reflex/definitions/1192430
ChicagoWordNet. 2010. "light reflex" http://smartdefine.org/light_reflex/definitions/1192430 (accessed September 21, 2026).
HarvardWordNet 2010, light reflex, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/light_reflex/definitions/1192430>.
MLAWordNet. "light reflex" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/light_reflex/definitions/1192430>