central achromatopsia
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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
achromatopsia — Also referred to as monochromatism, monochromatopsia, and total colour blindness. The term achromatopsia comes from the Greek words achromatos (colourless) and opsis (seeing). It refers to the inability or strongly diminished ability to… … Dictionary of Hallucinations
Color agnosia — (from the Greek ἀγνωσία agnōsia, ignorance or non knowledge ), is a medical or psychological condition that prevents a person from correctly associating hue names with common objects. The sufferer retains the ability of distinguishing hues. It is … Wikipedia
photoreception — photoreceptive, adj. /foh toh ri sep sheuhn/, n. the physiological perception of light. [1905 10; PHOTO + RECEPTION] * * * Biological responses to stimulation by light, most often referring to the mechanism of vision. In one celled organisms such … Universalium
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
Pingelap — is an atoll in the Pacific Ocean, part of Pohnpei state of the Federated States of Micronesia, consisting of three islands: Pingelap Island, Sukoru and Daekae, linked by a reef system and surrounding a central lagoon, although only Pingelap… … Wikipedia
Eye disease — This is a partial list of human eye diseases and disorders. The World Health Organization publishes a classification of known diseases and injuries called the International Statistical Classification of Diseases and Related Health Problems or ICD … Wikipedia
Gene therapy — using an Adenovirus vector. A new gene is inserted into an adenovirull. If the treatment is successful, the new gene will make a functional protein. Gene therapy is the insertion, alteration, or removal of genes within an individual s cells and… … 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
Hemeralopia — Classification and external resources ICD 10 H53.1 ICD 9 368.6 Hemeralopia (from Greek ημέρα, hemera day ; and αλαός, alaos blindness ) is the inability to see clearly in bright l … Wikipedia
