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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. 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 ...

  4. Blue light-blocking glasses don't protect eyes or improve ...

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

    Smartphone, tablet and computer screens emit only 0.4% to 4% of the amount of blue light considered safe by the International Commission on Non-Ionizing Radiation Protection, which sets ...

  5. Computer vision syndrome - Wikipedia

    en.wikipedia.org/wiki/Computer_vision_syndrome

    A number of computer and smartphone applications adjust the computer video color temperature, reducing the amount of blue light emitted by the screen, particularly at night. Dry eye is a symptom that is targeted in the therapy of CVS. The use of over-the-counter artificial-tear solutions can reduce the effects of dry eye in CVS.

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

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

    In the simplest terms, "Blue light glasses are specialized glasses designed to filter blue light emitted from devices such as smartphones, tablets and computers," explains Dr. Sonia Kelley, OD, MS ...

  8. Blue field entoptic phenomenon - Wikipedia

    en.wikipedia.org/wiki/Blue_field_entoptic_phenomenon

    The blue field entoptic phenomenon is an entoptic phenomenon characterized by the appearance of tiny bright dots (nicknamed blue-sky sprites) moving quickly along undulating pathways in the visual field, especially when looking into bright blue light such as the sky. [ 1] The dots are short-lived, visible for about one second or less, and ...

  9. Are blue light glasses really worth it? A new analysis says ...

    www.aol.com/finance/blue-light-glasses-really...

    The glasses have been become a popular purchase, especially since the pandemic, to reduce blue light exposure that comes from computers, tablets and iPhones.

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