SINCE 1828
phosphene
noun
phos·phene
| \ ˈfäs-ˌfēn
\
\
Definition of phosphene
: an impression of light that occurs without light entering the eye and is usually caused by stimulation of the retina (as by pressure on the eyeball when the lid is closed) or by excitation of neurons in the visual system (as by transcranial magnetic stimulation)
Early studies have demonstrated that direct electrical stimulation to neurons of the visual system will cause a subject to perceive points of light (phosphenes).— George Scarlatis
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More Definitions for phosphene
phosphene
noun
phos·phene
| \ ˈfäs-ˌfēn
\
\
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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