flicker

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flick·er

(flik'ĕr),
The visual sensation caused by stimulation of the retina by a series of intermittent light flashes occurring at a certain rate.
See also: flicker fusion, critical flicker fusion frequency.
Farlex Partner Medical Dictionary © Farlex 2012

flicker

A rapid, transient and intermittent photic discharge sensed in a visual field.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

flicker

The visual sensation of alternating intervals of brightness caused by rhythmic interruption of light stimuli.
Medical Dictionary, © 2009 Farlex and Partners

flicker

Perception produced when the retina is stimulated by an intermittent light stimulus which fluctuates between a frequency of a few hertz and the critical fusion frequency.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann
References in periodicals archive ?
The power flickered off briefly at approximately 3.30pm but came on again in seconds.
Moreover, they found that the quasar flickered in one image on a time scale of less than 1 hour.
The sight was so repulsive that she felt faint for a moment, but in that moment's darkness, when her eyelids flickered, she was relieved of the pressure of the present.