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definitions

photopia

[ foh-toh-pee-uh ]
/ foʊˈtoʊ pi ə /

noun Ophthalmology.

vision in bright light (opposed to scotopia).

Nearby words

  1. photophobia,
  2. photophobic,
  3. photophore,
  4. photophosphorylation,
  5. photophthalmia,
  6. photopic,
  7. photopic adaptation,
  8. photopic eye,
  9. photopic vision,
  10. photoplay
Compare light adaptation.

Origin of photopia

First recorded in 1910–15; phot- + -opia
Related formspho·top·ic [foh-top-ik, -toh-pik] /foʊˈtɒp ɪk, -ˈtoʊ pɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for photopia

photopia

/ (fəʊˈtəʊpɪə) /

noun

the normal adaptation of the eye to light; day vision
Derived Formsphotopic (fəʊˈtɒpɪk, -ˈtəʊ-), adjective

Word Origin for photopia

C20: New Latin, from photo- + -opia
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medicine definitions for photopia

photopia

[ fō-tō′pē-ə ]

n.

Vision in bright light, mediated by cone cells of the retina; daylight vision.photopic vision
Related formspho•to′pic (-tō′pĭk, -tŏp′ĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.