- The term hemiachromatopsia comes from the Greek words hèmi (half), achromatos (colourless), and opsis (seeing). It translates roughly as 'seeing half the visual field without colour'. It refers to a variant of "cerebral achromatopsia in which one hemifield is seen in shades of grey, while the contralateral side is seen in colour.ReferencesVerrey, L. (1888). Hémiachromatopsie droite absolue. Archives d'Ophthalmologie,8, 289-301.
Dictionary of Hallucinations. J.D. Blom. 2010.