Phosphene

created by Webster 1913
(definition) by Webster 1913 (print) Wed Dec 22 1999 at 1:58:31

Phos"phene (?), n. [Gr. light + to show.] Physiol.

A luminous impression produced through excitation of the retina by some cause other than the impingement upon it of rays of light, as by pressure upon the eyeball when the lids are closed. Cf. After-image.

 

© Webster 1913.

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