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Apr 13, 2023 · You’ve heard of blue light, but what is it? Read about its benefits and risks, as well as whether blue-light-blocking glasses and night mode work to reduce your exposure.
Sep 16, 2022 · Blue light from electronics is linked to problems like blurry vision, eyestrain, dry eye, macular degeneration, and cataracts. Some people have sleep issues. Here’s what you need to know.
Aug 3, 2022 · What is blue light? Blue light is part of the visible light spectrum – what the human eye can see. Vibrating within the 380 to 500 nanometer range, it has the shortest wavelength and highest energy. About one-third of all visible light is considered blue light. Sunlight is the biggest source of blue light.
Mar 10, 2021 · Blue light exposure from screens is much less than the amount of exposure from the sun. It's also no more damaging than blue light from the sun, Dr. Khurana says. Too much exposure to ultraviolet light from the sun increases the risks of eye diseases, including cataracts, growths on the eye and cancer.
May 3, 2024 · Too much blue light from digital devices can lead to problems like blurred vision, macular degeneration, and digital eye strain. It can also disturb your body’s natural wake-sleep cycle (circadian rhythm). This article explains how exposure to blue light affects your eyes and what you can do to protect them.
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Feb 27, 2019 · Blue light generally is defined as visible light ranging from 380 to 500 nm. Blue light sometimes is further broken down into higher energy blue-violet light (roughly 380 to 450 nm) and lower energy blue-turquoise light (roughly 450 to 500 nm). So, about one-third of all visible light is considered high-energy visible (HEV) or “blue” light.
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Nov 8, 2021 · Blue light is visible light at a wavelength of 400−525 nm. And some studies certainly suggest that blue light can suppress the release of melatonin at night, making it harder to get to...
