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  2. Flicker (screen) - Wikipedia

    en.wikipedia.org/wiki/Flicker_(screen)

    The flicker of a CRT monitor can cause various symptoms in those sensitive to it such as eye strain, headaches [9] in migraine sufferers, and seizures in epileptics. [10]As the flicker is most clearly seen at the edge of our vision there is no obvious risk in using a CRT, but prolonged use can cause a sort of retinal shock where the flickering is seen even when looking away from the monitor.

  3. Flicker fixer - Wikipedia

    en.wikipedia.org/wiki/Flicker_fixer

    A flicker fixer or scan doubler is a piece of computer hardware that de-interlaces an output video signal. The flicker fixer accomplishes this by adjusting the timing of the natively interlaced video signal to suit the needs of a progressive display for example a CRT computer monitor .

  4. Visual artifact - Wikipedia

    en.wikipedia.org/wiki/Visual_artifact

    A retinography.The gray spot in the center is a shadow artifact. Image quality factors, different types of visual artifacts; Compression artifacts; Digital artifacts, visual artifacts resulting from digital image processing

  5. Image persistence - Wikipedia

    en.wikipedia.org/wiki/Image_persistence

    Image persistence can occur as easily as having something remain unchanged on the screen in the same location for a duration of even 10 minutes, such as a web page or document. Minor cases of image persistence are generally only visible when looking at darker areas on the screen, and usually invisible to the eye during ordinary computer use.

  6. Flicker-free - Wikipedia

    en.wikipedia.org/wiki/Flicker-free

    Flicker-free is a term given to video displays, primarily cathode ray tubes, operating at a high refresh rate to reduce or eliminate the perception of screen flicker.For televisions, this involves operating at a 100 Hz or 120 Hz hertz field rate to eliminate flicker, compared to standard televisions that operate at 50 Hz (PAL, SÉCAM systems) or 60 Hz (), most simply done by displaying each ...

  7. Refresh rate - Wikipedia

    en.wikipedia.org/wiki/Refresh_rate

    However, this does not apply to LCD monitors. The closest equivalent to a refresh rate on an LCD monitor is its frame rate, which is often locked at 60 fps. But this is rarely a problem, because the only part of an LCD monitor that could produce CRT-like flicker—its backlight—typically operates at around a minimum of 200 Hz.

  8. 9 Bedroom Layout Mistakes That Could Be Ruining Your Sleep - AOL

    www.aol.com/9-bedroom-layout-mistakes-could...

    6. Choosing the Wrong Colors. For a restorative space, go easy with color in your bedroom. "Try not to choose overly strong colors within your bedroom," Cerrano says. Since the bedroom is a place ...

  9. Flicker (light) - Wikipedia

    en.wikipedia.org/wiki/Flicker_(light)

    In visual perception, flicker is a human-visible change in luminance of an illuminated surface or light source which can be due to fluctuations of the light source itself, or due to external causes such as due to rapid fluctuations in the voltage of the power supply (power-line flicker) or incompatibility with an external dimmer.