Dictionary of Hallucinations. J.D. Blom. 2010.
moving scotoma — A term used to denote a scotoma (i.e. an area of loss or impairment of vision) that moves across the field of vision. A well known example is the *fortificating spectrum or * scintillating sco toma preceding a migraine attack. The term moving… … Dictionary of Hallucinations
Nyctalopia — Classification and external resources ICD 10 H53.6 ICD 9 368.6 Nyctalopia (from Gree … Wikipedia
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
Oguchi disease — Classification and external resources ICD 9 368.61 OMIM 258100 Oguchi disease, also called congenital stationary night blindness, Oguchi type 1 o … Wikipedia
Nystagmus — Horizontal optokinetic nystagmus, a normal (physiological) form of nystagmus ICD 10 H55, H81.4 … Wikipedia
Cataract — For other uses, see Cataract (disambiguation). Cataract Classification and external resources Magnified view of cataract in human eye, seen on examination with a slit lamp using diffuse illumination … 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
Akinetopsia — Akinetopsia, also known as cerebral akinetopsia or motion blindness, is an extremely rare neuropsychological disorder in which a patient cannot perceive motion in their visual field, despite being able to see stationary objects without issue. For … Wikipedia
Epilepsy — Epileptic redirects here. For the graphic novel, see Epileptic (graphic novel). Epilepsia redirects here. For the journal, see Epilepsia (journal). Epilepsy Classification and external resources Generalized 3 Hz spike and wave discharges in EEG … Wikipedia
Atrophy — Wasting away or diminution. Muscle atrophy is wasting of muscle, decrease in muscle mass. A nerve can also show atrophy. For example, atrophy of the optic nerve diminishes vision. * * * A wasting of tissues, organs, or the entire body, as from… … Medical dictionary
