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.
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photopsy pho·top·sy (fō-tŏp’sē) n. See photopsia.
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photoptarmosis pho·to·ptar·mo·sis (fō’tō-tär-mō’sĭs) n. Reflex sneezing in response to bright light striking the retina.
- Photoradiation
photoradiation pho·to·ra·di·a·tion (fō’tō-rā’dē-ā’shən) n. A treatment for cancer in which an individual is injected with a photosensitizing agent and the cancerous tissue is exposed to visible light, often by means of a fiberoptic probe. Also called photochemotherapy.
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