palinopsia


Also found in: Medical, Encyclopedia, Wikipedia.

palinopsia

(ˌpælɪˈnɒpsɪə) or

palinopia

n
(Medicine) a visual disorder in which the patient perceives a prolonged afterimage
[from Greek palin again + ōps eye]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
(49) Palinopsia (persistence of a previously-viewed image), dendropsia (branching tree-like patterns) and polyopia are also occasionally reported.
Regarding AIWS, not only are complex forms of aura related to a higher level of dysexcitability and larger areas involved by CSD, but also some studies on palinopsia disturbances suggested that diffuse, persistent alterations of neuronal excitability, also described during the interictal period [46], might be responsible for impairing light or motion processing, causing a large spectrum of visual symptoms including dysmetropsia [62].
(Neidich's pointed citation of "palinopsia," the phenomenon's recursive pathological strain, was perhaps intended as a wry criticism of the era's McCarthyist hysteria.) The artist's gambit was that viewers would visually transpose the retinal afterimage of illuminated neon text onto nearby white stars.