photopsia pho·top·si·a (fō-tŏp’sē-ə)
The sensation of seeing lights, sparks, or colors caused by retinal or cerebral disease. Also called photopsy.


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  • Photoproton

    [foh-toh-proh-ton] /ˌfoʊ toʊˈproʊ tɒn/ noun, Physics. 1. a emitted from a nucleus during photodisintegration.

  • Photopsin

    photopsin pho·top·sin (fō-tŏp’sĭn) n. The protein component of the pigment iodopsin in the cones of the retina of the eye.

  • Photopsy

    photopsy pho·top·sy (fō-tŏp’sē) n. See photopsia.

  • Photoptarmosis

    photoptarmosis pho·to·ptar·mo·sis (fō’tō-tär-mō’sĭs) n. Reflex sneezing in response to bright light striking the retina.

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