Photopsia

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Photopsia \Pho*top"si*a\, n. [NL., fr. Gr. fw^s, fwto`s, light +
     'o`psis sight.] (Med.)
     An affection of the eye, in which the patient perceives
     luminous rays, flashes, coruscations, etc. See {phosphene}.
     [1913 Webster]