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phosphene

[ fos-feen ]

noun

, Physiology.
  1. a luminous image produced by mechanical stimulation of the retina, as by pressure applied to the eyeball by the finger when the lid is closed.


phosphene

/ ˈfɒsfiːn /

noun

  1. the sensation of light caused by pressure on the eyelid of a closed eye or by other mechanical or electrical interference with the visual system


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Word History and Origins

Origin of phosphene1

1870–75; < French phosphène, irregular < Greek phôs light (contraction of pháos ) + phaínein to show, shine

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Word History and Origins

Origin of phosphene1

C19: from Greek phōs light + phainein to show

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