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  2. 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.

  3. Impossible color - Wikipedia

    en.wikipedia.org/wiki/Impossible_color

    Impossible color. The human eye's red-to-green and blue-to-yellow values of each one-wavelength visible color [citation needed] Human color sensation is defined by the sensitivity curves (shown here normalized) of the three kinds of cone cells: respectively the short-, medium- and long-wavelength types. Impossible colors are colors that do not ...

  4. List of awareness ribbons - Wikipedia

    en.wikipedia.org/wiki/List_of_awareness_ribbons

    1992. Chronic Granulomatous Disorder Society in the UK [85] Hereditary/genetic diseases – Jeans for Genes campaign [9] [85] [4] Red, white and blue ribbon. 2011. Used in Omaha, Nebraska, after a deadly shooting at Millard South High School (Matches to the school's colors) [86] Awareness ribbon for Parkinson's UK.

  5. If you think you have blue or green eyes, they're ... - AOL

    www.aol.com/article/lifestyle/2016/12/19/if-you...

    RELATED: 6 scary things your eyes say about your health. If you've ever heard "your eyes change color a lot," its because of light! Melanin absorbs light so the less melanin, like people with blue ...

  6. Does staring at screens ruin your eyes? - AOL

    www.aol.com/article/2014/02/27/does-staring-at...

    We've all grown up thinking that sitting too close to the television is damaging to our eyes ... but that might not be the case. Technology spawns lots of confusion ... and a few affectionately ...

  7. Color vision - Wikipedia

    en.wikipedia.org/wiki/Color_vision

    Color vision. Colorless, green, and red photographic filters as imaged by camera. Color vision, a feature of visual perception, is an ability to perceive differences between light composed of different frequencies independently of light intensity. Color perception is a part of the larger visual system and is mediated by a complex process ...

  8. Does staring at screens ruin your eyes? - AOL

    www.aol.com/lifestyle/2014-02-27-does-staring-at...

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  9. Do blue light glasses actually protect your eyes? Eye ... - AOL

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

    Yes, blue light glasses work to reduce exposure to blue light, but no, they don't work to protect your eye health or accomplish many of the other claims sellers make, says See.