intrinsic light


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light

 [līt]
electromagnetic radiation with a range of wavelength between 390 (violet) and 770 (red) nanometers, capable of stimulating the subjective sensation of sight; sometimes considered to include ultraviolet and infrared radiation as well.
idioretinal light (intrinsic light) the sensation of light in the complete absence of external stimuli.
polarized light light of which the vibrations are made over one plane or in circles or ellipses.
Wood's light ultraviolet radiation from a mercury vapor source, transmitted through a nickel-oxide filter (Wood's filter or glass), which holds back all but a few violet rays and passes ultraviolet rays of wavelength around 365 nm; used in diagnosis of fungal infections of the scalp and erythrasma, and to reveal the presence of porphyrins and fluorescent minerals.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

intrinsic light

The sensation of light when there are no retinal stimuli to produce that sensation. Synonym: idioretinal light
See also: light
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
But coming back across the empty stage When all the lights are down, the audience gone, And shadows clothe the bones of our pretence -- Who stands before the footlights in his own Intrinsic light? No stage-hand this, No follower of words in well-thumbed book: Not even strutting star acclaimed by all.