Phosphene definition
Webphosphene / ˈfɒsfiːn / n. the sensation of light caused by pressure on the eyelid of a closed eye or by other mechanical or electrical interference with the visual system; Etymology: 19 th Century: from Greek phōs light + phainein to show Webnoun A sensation of light produced by mechanical or electrical stimulation of the retina, as by pressure on the eyeball through the closed eyelid. Webster's New World Similar definitions Advertisement Other Word Forms of Phosphene Noun Singular: phosphene Plural: phosphenes Origin of Phosphene
Phosphene definition
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WebA visual sensation arising from stimulation of the retina by something other than light. The stimulation can be either electrical, mechanical (e.g. a blow to the head or pressure on the eyeball), or some electromagnetic waves such as X-rays. See entoptic image; photopsia; adequate stimulus.
WebA phosphene is a phenomenon characterized by the experience of seeing light without light actually entering the eye. The word phosphene comes from the Greek words phos (light) and phainein (to show). [ 1] Phosphenes are flashes of light, often associated with optic neuritis, induced by movement or sound. [ 2][ 3] WebDefinition: (n.) A luminous impression produced through excitation of the retina by some cause other than the impingement upon it of rays of light, as by pressure upon the eyeball when the lids are closed. ... Experiments are described in which the phosphene produced by passing alternating current of frequency 100 Hz through the eye is matched ...
Webnoun Hydrogen phosphide, PH 3, a colorless, poisonous, flammable gas with a garliclike odor. Webster's New World Similar definitions Any of several organic compounds having the structure of an amine but with phosphorus in place of nitrogen. American Heritage A synthetic yellow dye. Webster's New World Advertisement Other Word Forms of Phosphine WebJan 7, 2012 · A phosphene is a multicolored shape or pattern seen in the darkness, without external visual stimulation. Phosphenes can be seen with closed eyes or in a completely dark room with open eyes. Phosphenes may appear as: * spirals * exploding stars * wispy clouds * wheels * tunnels * parallel lines * wavy lines * dotted lines * zigzags * …
WebA phosphene is a phenomenon characterized by the experience of seeing light without light actually entering the eye. The word phosphene comes from the Greek words phos and phainein.Phosphenes that are induced by movement or sound are often associated with optic neuritis. Phosphenes can be directly induced by mechanical, electrical, or magnetic …
WebDefinition from Wiktionary, the free dictionary. Jump to navigation Jump to search. French [] Noun []. phosphène m (plural phosphènes) . phosphene; Further reading [] “phosphène”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012. gibson acoustic electric cutaway guitarWebNov 3, 2024 · phos· phine -ˌfēn 1 : a colorless poisonous flammable gas PH3 that is a weaker base than ammonia and that is used especially to fumigate stored grain 2 : any of … gibson acoustic emmylou harrisWebAug 28, 2024 · Thiophene is perhaps the most heavily studied, as the desulfurization of thiophene from fossil fuels is an industrially useful process. Synthesis There are two common methods for the stoichiometric synthesis of arene “sandwich” complexes, in which a metal is squished between two arenes. frs interior partsWebphosphene translate: 壓眼閃光，光幻視. Learn more in the Cambridge English-Chinese traditional Dictionary. frs interior trimWebFeb 16, 2024 · Phosphenes are flashes of colorful light that are produced from inside the eye rather than from an outside light source. Some people report that phosphenes look like rapidly moving stars, or shapes of color that wander slowly across your vision. Undergoing phosphenes is called photopsia. frs interpreting servicesWebphosphine (PH3), also called hydrogen phosphide, a colourless, flammable, extremely toxic gas with a disagreeable garliclike odour. Phosphine is formed by the action of a strong base or hot water on white phosphorus or by the reaction of … gibson acoustic guitar black cheapWebphosphene - WordReference English dictionary, questions, discussion and forums. All Free. gibson acoustic guitar cheap