Definitions

from The Century Dictionary.

  • noun The condition of having the sensation as of light or of flashes of light without external cause.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Med.) An affection of the eye, in which the patient perceives luminous rays, flashes, coruscations, etc. See phosphene.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun medicine The presence of perceived flashes of light

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

photo- + -opsia

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