phosphene


phos·phene

noun \ˈfäs-ˌfēn\

Definition of PHOSPHENE

:  a luminous impression due to excitation of the retina

Origin of PHOSPHENE

International Scientific Vocabulary phos- + Greek phainein to show — more at fancy
First Known Use: circa 1860

phos·phene

noun \ˈfäs-ˌfēn\   (Medical Dictionary)

Medical Definition of PHOSPHENE

: a luminous impression that occurs when the retina undergoes nonluminous stimulation (as by pressure on the eyeball when the lid is closed)

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