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"Blue light glasses can help as computer glasses, especially if they also have a computer distance prescription built into them," Dr. Kelley explains. "The prescription can help your eyes focus ...
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.
Blue-light-blocking glasses are said to help reduce eye strain and headaches — are they for you?
Here are some tips from eye health professionals to reduce eye strain caused by devices. Follow the 20-20-20 rule. Take a break every 20 minutes from sitting at a computer. During the break, focus your eyes on something that's about 20 feet away for 20 seconds.
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.
The glasses have a projector, and the image is returned to the eye by a reflective surface. Lastly, there is a technique more popular with hobbyists due to its low cost which requires using a magnifying lens to focus the screen onto the eye.
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