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A sensation of light caused by excitation of the retina by mechanical or electrical means rather than by light, as when the eyeballs are pressed through closed lids.

[French phosphène : Greek phōs, light; see phos- + Greek phainein, to cause to appear, to show; see bhā- in Indo-European roots.]


(Physiology) 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
[C19: from Greek phōs light + phainein to show]


(ˈfɒs fin)

a luminous visual image produced by mechanical stimulation of the retina, as when pressing on closed eyelids.
[1870–75; < French phosphène, irreg. < Greek phôs light (contraction of pháos) + phaínein to show, shine]


[ˈfɒsfiːn] Nfosfeno m
References in periodicals archive ?
Detected gases comprise ethane, methane, benzene, ammonia, phosphene and others.
will also speak in the session on Artificial Vision and Electrical Stimulation of the Eye about transcorneal electrical stimulation (TES) and phosphene thresholds in healthy subjects and patients with retinal diseases on February 1, 16:00-18:00 CET.
The pattern of light you see when you rub your closed eyes is a type of phosphene.
Among the detected gases listed in the brochure are ethane, methane, benzene, ammonia and phosphene.
A mapping procedure is used to determine the location of each electrode's phosphene in the visual field, and real-time image processing and stimulation software then extracts and projects contours onto the best-matching electrodes.
Bond Cleavage in the Excited State of Acyl Phosphene Oxides Insight on the Role of Conformation by Model Calculations: A Concept," J.
But as he painstakingly arranges these things and others into the thick resin that coats his hybrid collage-paintings, he dematerializes them as well, revealing their potential to become elements of mind and pattern, like the inner-eye whirligigs captured in his recent Millennium Phosphene Bloom, 2005, or the string figures in Harry Smith movies.
Down the alley, up the stairs and into the Waygood Gallery - destined to be another high profile visual arts venue on Tyne - you'll find Dee Shaw's exhibition, Phosphene.
It heard that he poured a mixture of aluminium phosphide and water on to hot coals in the sauna which created the toxic gas phosphene.
Clouds of poisonous chlorine and phosphene gases were sucked into the ventilation system and discharged into the administrative offices, Kimble said.
This white phosphene on a black background "map" is roughly eight inches by two inches at arms length.
National Institute of Neurological Disorders and Stroke learned to recognize phosphene letters.