Also referred to as sparkling. The term hyper-chromatopsia comes from the Greek words huper (to exceed a certain boundary), chroma (colour), and opsis (seeing). It was coined in or shortly before 1999 by the British neuroscien-tists Dominic H. ffytche and Robert J. Howard. It is used to denote a subclass of the group of "colour-processing deficits in which colours are seen as exceptionally vivid and brilliant. Hyper-chromatopsia has been described in conditions such as degenerative eye disease, " Charles Bonnet syndrome, and "hallucinogen use.
   ffytche, D.H., Howard, R.J. (1999). The perceptual consequences of visual loss: 'positive' pathologies ofvision. Brain, 122, 1247-1260.

Dictionary of Hallucinations. . 2010.

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