Definition of Phosphene

1. 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. Cf. After-image.

Definition of Phosphene

1. Noun. A sensation of lights caused by mechanical or electrical (rather than optical) stimulation of the retina. ¹

¹ Source: wiktionary.com

Definition of Phosphene

1. [n -S]

Medical Definition of Phosphene

1. Visual sensations arising from mechanical stimulation by pressure upon the eyeball when the lids are closed. It can also be produced by electrical stimulation of the eyeball. It is a luminous impression produced through excitation of the retina by some cause other than the impingement upon it of rays of light. Origin: Gr. Light + to show. (20 Sep 2002)

Lexicographical Neighbors of Phosphene

phosphatization
phosphatizations
phosphatize
phosphatized
phosphatizes
phosphatizing
phosphatome
phosphatomes
phosphatrane
phosphaturia
phosphaturias
phosphazene
phosphazenes
phosphazine
phosphazines
phosphene (current term)
phosphenes
phosphepane
phosphepine
phosphetane
phosphid
phosphide
phosphides
phosphids
phosphin
phosphinane
phosphinate
phosphinates
phosphindole
phosphindoles

Literary usage of Phosphene

Below you will find example usage of this term as found in modern and/or classical literature:

1. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1858)
"data, and scarcely agrees with the explanation of phosphene given by Sir D. ... M. Serre has applied the phenomenon of phosphene to the diagnosis of some ..."

2. Principles of human physiology by William Benjamin Carpenter, Henry Power (1864)
"But further, besides the principal ' phosphene,' another, ... The form of this smaller or secondary ' phosphene' is not affected by the cause which ..."

3. Text-book of Human Physiology: Including Histology and Microscopical Anatomy by Leonard Landois, Albert Philson Brubaker (1905)
"By the projection of this retinal stimulation outward, the phosphene is ... If the retina is darkened, the phosphene appears bright; if the retina is ..."

4. The Medical and Surgical Reporter (1868)
"Thus, if the tip of the finger is put in contact with the globe at its nasal side, the temporal phosphene ia produced ; if at the frontal side, the jugal, ..."

5. A Handbook of the diseases of the eye and their treatment by Henry Rosborough Swanzy (1897)
"He was led * phosphene is the subjective sensation of light experienced when ... The phosphene of any region is tested by applying pressure to that part of ..."

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