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  1. 7 de jul. de 2020 · The effect blue light has on your sleep and more. Although it is environmentally friendly, blue light can affect your sleep and potentially cause disease. Until the advent of artificial lighting, the sun was the major source of lighting, and people spent their evenings in (relative) darkness. Now, in much of the world, evenings are illuminated ...

  2. 19 de out. de 2023 · Melatonin secretion is triggered by the absence of light. Blue light from the sun regulates our Circadian rhythm by inhibiting melatonin secretion. Serotonin secretion, on the other hand, is stimulated by sunlight. Serotonin improves cognitive function and is responsible for an alert and happy state of mind.

  3. 16 de set. de 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.

  4. 10 de mar. de 2021 · 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. We know less about blue light. Its effects are still being researched. Some studies suggest that not enough exposure to sunlight ...

  5. Blue light, also known as high-energy visible (HEV) light, is a color in the visible light spectrum that can be seen by human eyes. These wavelengths of visible and non-visible light are measured in nanometers (nm), and, in general, the shorter the wavelength, the higher the energy.

  6. 3 de ago. de 2022 · What's more, chronic exposure to blue light is bad for your eyes because it can lead to eye strain, eye fatigue and, as a result, headaches. These collective symptoms are also known as computer vision syndrome, which has "increased over the past decade as our use of digital devices with blue light-emitting screens has increased," Dr. Shumski says.

  7. 3 de mai. de 2024 · Blue light filtering screens can block blue light up to 30 to 60 percent. 12 However, it’s unclear if blocking blue light helps improve the sleep-wake cycle for those who use back-lit screens before bed. 6. Use Blue Light-Blocking Lenses . Blue light blocking glasses contain lenses designed to reduce the blue light that reaches the eyes.