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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. Nazar (amulet) - Wikipedia

    en.wikipedia.org/wiki/Nazar_(amulet)

    Nazar (amulet) Eye beads or nazars – amulets against the evil eye – for sale in a shop. An eye bead or naẓar (from Arabic ‏ نَظَر ‎ [ˈnaðˤar], meaning 'sight', 'surveillance', 'attention', and other related concepts) is an eye-shaped amulet believed by many to protect against the evil eye. The term is also used in Azerbaijani ...

  5. The Best Gaming Glasses Block Blue Light to Keep You in ... - AOL

    www.aol.com/lifestyle/best-gaming-glasses-reduce...

    Protect your eyes from harmful blue light with a pair of ergonomic gaming glasses. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ...

  6. Sunglasses - Wikipedia

    en.wikipedia.org/wiki/Sunglasses

    Hunter S. Thompson was known for wearing yellow-tinted driving glasses. When driving a vehicle, particularly at high speed, dazzling glare caused by a low Sun, or by lights reflecting off snow, puddles, other vehicles, or even the front of the vehicle, can be lethal. Sunglasses can protect against glare when driving.

  7. 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 ...

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