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phosphene

(fäs′fēn′)

noun

a sensation of light produced by mechanical or electrical stimulation of the retina, as by pressure on the eyeball through the closed eyelid

Origin: < Gr phōs, light (see phosphorus) + phainein, to show (see fantasy)

See phosphene in American Heritage Dictionary 4

noun

A sensation of light caused by excitation of the retina by mechanical or electrical means rather than by light, as when the eyeballs are pressed through closed lids.

Origin:

Origin: French phosphène

Origin: : Greek phōs, light; see phos-

Origin: + Greek phainein, to cause to appear, to show; see bhā-¹ in Indo-European roots

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