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2. Glasses are 50% off at GlassesUSA during Black Friday ... - AOL

   www.aol.com/lifestyle/glasses-usa-black-friday...

   I also opted for blue light lenses, which added another $28. Plus tax, my total was $90.14 for the pair. Here are some of the best glasses we're seeing on sale during Black Friday.

3. Wait, So Do Blue Light Glasses Actually Work? Here's What ...

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   "Blue light glasses filter out blue light," says Dr. Craig See, MD, an ophthalmologist at Cleveland Clinic Cole Eye Institute. "They allow the other colors of light to pass through and reach the eye."

4. Blue light spectrum - Wikipedia

   en.wikipedia.org/wiki/Blue_light_spectrum

   Blue light is absorbed by the structural proteins, enzymes, and protein metabolites found in the lens. [9] The absorption of blue light creates yellow pigments in the lens's protein. The lens progressively darkens and turns yellow. [9] Blue light is absorbed by the lens, preventing blue light from reaching the retina at the back of the eye. [12]

5. Are blue light glasses really worth it? A new analysis says ...

   www.aol.com/finance/blue-light-glasses-really...

   Blue light has also been blamed for eye strain and discomfort. As a result, people have been shelling out for blue light-filtering spectacles in hopes of snoozing in peace and reducing visual fatigue.

6. 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.

7. Blue Light - Wikipedia

   en.wikipedia.org/wiki/Blue_Light

   Blue Light (counter-terrorist subunit), a 1970s US counter-terrorist subunit of the 5th Special Forces Group Blue lights, also known as blues and twos services, British emergency services

8. Do blue light glasses actually protect your eyes? Eye doctors ...

   www.aol.com/blue-light-glasses-actually-protect...

   Do blue light glasses work to protect your eyes from screens? Ophthalmologists share whether there are benefits to blue light glasses and tips to protect eyes.

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