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   Is blue light harmful to the environment?

   • Other sources include fluorescent light, compact fluorescent light bulbs and LED light. 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.

   Should You Be Worried About Blue Light?

   www.aao.org/eye-health/tips-prevention/should-you-be-worried-about-blue-light

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   Why is blue light a concern?

   • Blue light is of concern because it has more energy per photon of light than other colors in the visible spectrum, i.e. green or red light. Blue light, at high enough doses, is therefore more likely to cause damage when absorbed by various cells in our body. How do we perceive color?

   Will blue light from electronic devices increase my risk of macular

   www.health.harvard.edu/blog/will-blue-light-from-electronic-devices-increase-my-risk-of-macular-degeneration-and-blindness-2019040816365

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   Is blue light bad for Your Eyes?

   • Blue light has very short, high energy waves. In fact, they’re only slightly longer and less powerful than UV waves, which are too short for people to see with the naked eye. Health experts have warned against the harmful effects of UV rays, which can damage your skin and your eyes. High energy blue light waves are nearly as powerful.

   What’s Blue Light, and How Does It Affect Our Eyes? - Healthline

   www.healthline.com/health/what-is-blue-light

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   Is high-intensity blue light dangerous?

   • High-intensity blue light from any source is potentially hazardous to the eye. Industry sources of blue light are purposely filtered or shielded to protect users. However, it may be harmful to look directly at many high-power consumer LEDs simply because they are very bright. These include "military grade" flashlights and other handheld lights.

   Will blue light from electronic devices increase my risk of macular

   www.health.harvard.edu/blog/will-blue-light-from-electronic-devices-increase-my-risk-of-macular-degeneration-and-blindness-2019040816365

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   Is blue light at night bad for You?

   • Light at night is part of the reason so many people don't get enough sleep, and researchers have linked short sleep to increased risk for depression, as well as diabetes and cardiovascular problems. While light of any kind can suppress the secretion of melatonin, blue light at night does so more powerfully.

   Blue light has a dark side - Harvard Health

   www.health.harvard.edu/staying-healthy/blue-light-has-a-dark-side

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2. www.healthline.com › health › what-is-blue-lightWhat’s Blue Light, and How Does It Affect Our Eyes?

   www.healthline.com › health › what-is-blue-light

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   Apr 24, 2023 · Most exposure to blue light is from the sun, but some health experts have raised questions about whether artificial blue light could be damaging your eyes.

3. www.aao.org › eye-health › tips-preventionShould You Be Worried About Blue Light? - American Academy of ...

   www.aao.org › eye-health › tips-prevention

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   Mar 10, 2021 · The bottom line, Dr. Khurana says, is that taking preventive measures against blue light even though there is no evidence of damage could be more harmful than the blue light itself. “It’s premature to take preventative action against blue light—there could be unintended consequences,” he says.

4. www.health.harvard.edu › blog › will-blue-light-fromWill blue light from electronic devices increase my risk of ...

   www.health.harvard.edu › blog › will-blue-light-from

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   May 1, 2019 · Many people ask whether blue light will increase their risk of age-related macular degeneration and blindness. The short answer to this common question is no. The amount of blue light from electronic devices, including smartphones, tablets, LCD TVs, and laptop computers, is not harmful to the retina or any other part of the eye. What is blue light?

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     How Can Blue Light Affect Your Health?

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6. www.health.harvard.edu › staying-healthy › blueBlue light has a dark side - Harvard Health

   www.health.harvard.edu › staying-healthy › blue

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   Jul 24, 2024 · If blue light does have adverse health effects, then environmental concerns, and the quest for energy-efficient lighting, could be at odds with personal health. Those curlicue compact fluorescent lightbulbs and LED lights are much more energy-efficient than the old-fashioned incandescent lightbulbs we grew up with.

   • Location: 4 Blackfan Circle, 4th Floor, Boston, 02115, MA
   • Email: hhp_info@health.harvard.edu

   • Phone: (877) 649-9457

7. health.ucdavis.edu › blog › cultivating-healthHow blue light affects your eyes, sleep, and health

   health.ucdavis.edu › blog › cultivating-health

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   Aug 3, 2022 · How harmful is blue light? Blue light exposure from screens is small compared to the amount of exposure from the sun. However, there is concern about long-term effects of screen exposure from digital devices.

8. www.webmd.com › eye-health › blue-light-healthHow Does Blue Light Affect You? - WebMD

   www.webmd.com › eye-health › blue-light-health

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   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.

9. www.webmd.com › eye-health › what-is-blue-lightThe Science Behind Blue Light and Its Effects on Your Eyes

   www.webmd.com › eye-health › what-is-blue-light

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   Feb 12, 2024 · There is no evidence that blue light is harmful to your eyes, but the ways we use sources of blue light of can contribute to eye strain.