The Collaborative International Dictionary of English. 2000.
optogram — op·to·gram äp tə .gram n an image of an external object fixed on the retina by the photochemical action of light on the rhodopsin * * * op·to·gram (opґto gram) [opto + gram] the retinal image formed by the bleaching of the visual purple under the … Medical dictionary
optogram — op·to·gram … English syllables
optogram — n. image fixed on retina. ♦ optometry, n. measuring range of vision; eye testing. ♦ optophone, n. instrument enabling blind to read by transforming light into sound. ♦ optotypes, n. pl. varying sized print for eye testing … Dictionary of difficult words
optogram — ˈäptəˌgram noun Etymology: International Scientific Vocabulary opto + gram, originally formed as German optogramm : an image of an external object fixed on the retina by the photochemical action of light on the visual purple … Useful english dictionary
pseudo-optogram — pseu·do op·to·gram (soo″do opґto gram) an optogram in which the rods strip off from the illuminated spot and only the cones remain … Medical dictionary
Optography — Op*tog ra*phy, n. [Optic + graphy.] (Physiol.) The production of an optogram on the retina by the photochemical action of light on the visual purple; the fixation of an image in the eye. The object so photographed shows white on a purple or red… … The Collaborative International Dictionary of English
Kühne , Wilhelm Friedrich — (1837–1900) German physiologist Willy Kühne, the son of a wealthy Hamburg merchant, was educated at the University of Göttingen where he obtained his PhD on induced diabetes in frogs in 1856. He studied further in Jena, Berlin, Paris (under… … Scientists
optograma — Eng. Optogram Imagen retinal formada por la destrucción de la púrpura visual por influencia de la luz … Diccionario de oftalmología
