Dictionary of Hallucinations. J.D. Blom. 2010.
scotoma — Also known as negative scotoma. The term scotoma comes from the Greek noun skotos (darkness). It is used to denote an area or island of loss or impairment of vision, surrounded by a field of normal or relatively well preserved vision. In… … Dictionary of Hallucinations
Color blindness — Colorblind and Colourblind redirect here. For other uses, see Colorblind (disambiguation). Color blindness or color deficiency Classification and external resources An 1895 illustration of normal vision and various kinds of color blindness … Wikipedia
Achromatopsia — Classification and external resources A person with complete achromatopsia would see only black, white and shades of grey. Additionally, the image would usually be blurry in brighter light (in the brightest light, effectively invisible) but would … Wikipedia
Dichromacy — Classification and external resources ICD 10 H53.5 ICD 9 368.5 O … Wikipedia
Filling-in — In vision, filling in phenomena are those responsible for the completion of missing information across the physiological blind spot, and across natural and artificial scotomata. There is evidence calling for similar mechanisms of completion also… … Wikipedia
chromatopsia — Also referred to as chromopsia. Both terms stem from the Greek words chroma (colour) and opsis (seeing). They are used to denote a temporary aberration in colour vision, characterized by an excessive sensitivity to one particular colour. As a… … Dictionary of Hallucinations
Diabetic retinopathy — Classification and external resources ICD 10 H36 (E10.3 E11.3 E … Wikipedia
Monochromacy — Classification and external resources Monochromacy (an abnormality) is a disease state in human vision, native (normal) physiology for pinnipeds (such as Neophoca cinerea shown here), cetaceans, Owl Monkeys and other animals Monochromacy, also… … Wikipedia
Macular degeneration — Classification and external resources Picture of the fundus showing intermediate age related macular degeneration. ICD 10 … Wikipedia
corona phenomenon — The term corona phenomenon is indebted to the Latin noun corona, which means crown. It was introduced in or shortly before 1966 by the Danish neuroscientists Axel Klee (1933 1982?) and Rolf Willanger to denote a *visual illusion consisting of… … Dictionary of Hallucinations
