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  2. Blue light spectrum - Wikipedia

    en.wikipedia.org/wiki/Blue_light_spectrum

    The blue light spectrum is an essential part of the visible spectrum with wavelengths of about 400-480 nm. [1] Blue light is primarily generated by Light-Emitting Diodes (LED) lighting and digital screens, it has now become prevalent in the world around us. [2] LED lighting creates white light by combining blue light with other wavelengths ...

  3. f.lux - Wikipedia

    en.wikipedia.org/wiki/F.lux

    Website. justgetflux .com. f.lux (pronounced "flux") is a cross-platform computer program that adjusts a display's color temperature according to location and time of day, offering functional respite for the eyes. The program is designed to reduce eye strain during night-time use, helping to reduce disruption of sleep patterns. [ 2][ 3]

  4. Biological effects of high-energy visible light - Wikipedia

    en.wikipedia.org/wiki/Biological_effects_of_high...

    Blue light, a type of high-energy light, is part of the visible light spectrum. High-energy visible light (HEV light) is short-wave light in the violet/blue band from 400 to 450 nm in the visible spectrum, which has a number of purported negative biological effects, namely on circadian rhythm and retinal health (blue-light hazard), which can lead to age-related macular degeneration.

  5. Wait, So Do Blue Light Glasses Actually Work? Here's What ...

    www.aol.com/wait-blue-light-glasses-actually...

    "Blue light glasses filter out blue light," says Dr. Craig See, MD, an ophthalmologist at Cleveland Clinic Cole Eye Institute. "They allow the other colors of light to pass through and reach the eye."

  6. Blue-light glasses don’t help with eye strain, major study says

    www.aol.com/news/blue-light-glasses-don-t...

    In addition, blue-light filtering lenses only filter between 10% and 25% of blue light from artificial devices such as computer screens, and that blue light is only “a thousandth of what we get ...

  7. Wratten number - Wikipedia

    en.wikipedia.org/wiki/Wratten_number

    Wratten number. Wratten numbers are a labeling system for optical filters, usually for photographic use comprising a number sometimes followed by a letter. The number denotes the color of the filter and its spectral characteristics, and these numbers can be grouped into broad categories, but the numbering system is arbitrary within a group and ...

  8. Ultraviolet - Wikipedia

    en.wikipedia.org/wiki/Ultraviolet

    Ultraviolet ( UV) light is electromagnetic radiation of wavelengths of 10–400 nanometers, shorter than that of visible light, but longer than X-rays. UV radiation is present in sunlight, and constitutes about 10% of the total electromagnetic radiation output from the Sun. It is also produced by electric arcs, Cherenkov radiation, and ...

  9. Blue screen of death - Wikipedia

    en.wikipedia.org/wiki/Blue_screen_of_death

    The Blue Screen of Death in Windows 8, Windows 8.1 and Windows 10 (RTM–v1511), which includes a sad emoticon. In the Windows NT family of operating systems, the blue screen of death (referred to as " bug check " in the Windows software development kit and driver development kit documentation) occurs when the kernel or a driver running in ...

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