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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. Optics and vision - Wikipedia

    en.wikipedia.org/wiki/Optics_and_vision

    Optics and vision. Vision of humans and other organisms depends on several organs such as the lens of the eye, and any vision correcting devices, which use optics to focus the image. The eyes of many animals contains a lens that focuses the light of its surroundings onto the retina of the eye. This lens is essential to producing clear images ...

  4. International Agency for the Prevention of Blindness - Wikipedia

    en.wikipedia.org/wiki/International_Agency_for...

    The International Agency for the Prevention of Blindness (IAPB) is a global alliance of eye health organisations working for the prevention of blindness and vision impairment. [4] IAPB was established in 1975 to work as an umbrella body for global blindness prevention activities. This agency is a partner of World Health Organization. [5][6]

  5. Are cellphones a risk for cancer? Not likely, report says. - AOL

    www.aol.com/cellphones-risk-cancer-not-likely...

    The eleven researchers who authored the WHO review said it’s unlikely cellphone use increases the risk of glioma, a tumor in the brain or spinal cord. The researchers also found that cellphones ...

  6. Computer vision syndrome - Wikipedia

    en.wikipedia.org/wiki/Computer_vision_syndrome

    Computer vision syndrome. Computer vision syndrome (CVS) is a condition resulting from focusing the eyes on a computer or other display device for protracted, uninterrupted periods of time and the eye's muscles being unable to recover from the constant tension required to maintain focus on a close object.

  7. FDA authorizes first OTC hearing aid software to be used in ...

    www.aol.com/news/fda-authorizes-first-otc...

    Earlier this week, Apple said its AirPods Pro 2 could now be "transformed" into a personalized hearing aid via an upcoming software update that would boost specific sounds in real time, including ...

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