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Bias lighting. A flat-panel television set with colored bias lighting. Video of a bias lighting system with an LED strip light mounted all around the edges at the rear side of the television set, plus two extra lamps ( sidekicks) below for illuminating a larger area. In home cinema and video editing technology, bias lighting is a weak light ...
Fluorescence intermittency, or blinking, is the phenomenon of random switching between ON (bright) and OFF (dark) states of the emitter under its continuous excitation. It is a common property of the nanoscale emitters (molecular fluorophores, colloidal quantum dots) related to the competition between the radiative and non-radiative relaxation ...
Patients suffering from blepharospasm also report sensory symptoms including sensitivity to light, [14] [15] dry eyes, [16] and burning sensation and grittiness in the eyes. [4] Although such symptoms tend to precede the onset of the blepharospasm, they may both be due to a common third factor.
Here's an important PSA: If you haven't been trolling your local Facebook groups for the best beauty products, it's high time you start. From eye creams to concealers, you can find endless recs ...
According to Ohio-based clinical psychologist Sarah Cain Spannagel, PhD, the end of the season can bring feelings of loss: “Letting go of some of the liberty that comes with the summer can be ...
Photopsia is the presence of perceived flashes of light in the field of vision. It is most commonly associated with: [ 4] Vitreous shrinkage or liquefaction, which is the most common cause of photopsia, causes a pull in vitreoretinal attachments, irritating the retina and causing it to discharge electrical impulses.
Lighter Side. Parade. Rare shelter kitten with 4 ears in Tennessee is stealing hearts all over. Lighter Side. Delish. The 7 worst wedding food disasters ever recorded. News. News. CNN.
A liquid-crystal display ( LCD) is a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals combined with polarizers. Liquid crystals do not emit light directly [ 1] but instead use a backlight or reflector to produce images in color or monochrome.