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  1. Apr 24, 2023 · What is it? Is blue light bad for your eyes? Risks and side effects. Blue light benefits. Limit exposure. Takeaway. Blue light usually comes from the sun but also from digital screens and LED...

  2. Feb 12, 2024 · What is blue light? A tiny band on the visible light spectrum, blue light is a type of light we can see. What color light helps you sleep?

  3. Jul 7, 2020 · What is blue light? Not all colors of light have the same effect. Blue wavelengths—which are beneficial during daylight hours because they boost attention, reaction times, and mood—seem to be the most disruptive at night.

  4. 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.

  5. Aug 3, 2022 · Blue light boosts alertness, helps memory and brain function, and elevates mood. It regulates your body's natural wake and sleep cycle (circadian rhythm). Sunlight is also important for the growth and development of eyes and vision in children. How harmful is blue light?

  6. 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.

  7. 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.

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