12/7/2023 0 Comments Blue light glasses black![]() Blue-light-blocking glasses work by reflecting those wavelengths away from the lenses to stop them from reaching your eyes. To find the most effective and stylish options, we scoured the internet and spoke with eye doctors and eyewear experts about what they recommend.Īll light is measured in nanometers (nm), and blue-light wavelengths that can have the most impact on your melatonin levels (and thus affect your sleep) range from 400 to 500 nm, though blue-light wavelengths start at 200 nm. But if you can’t tear yourself away from Instagram or the dreaded doomscroll before turning in, blue-light-blocking glasses can help. In a perfect world, you’d start to avoid blue light from screens four hours before going to bed. Our bodies associate blue light with daytime, so exposure to it when you’re trying to go to bed “pushes our internal clocks later, so that it’s harder to fall asleep and harder to wake up in the morning,” says Cathy Goldstein, associate professor of neurology at the University of Michigan Sleep Disorders Center. The science is still a little iffy on that, but Moore says it’s still a good preventative measure: “I consider it sunblock for your eyeballs.”Įven if you’re wary that blue-light-blocking glasses are really able to reduce eye strain or age-related issues, they can still be useful if you stare at your phone right before bed, as blue light from screens can disrupt natural sleep patterns. ![]() On the other hand, Chris Moore, a training manager at MOSCOT, says that blue-light-blocking glasses have other benefits - such as helping prolong the onset of age-related macular degeneration, a disease that can be worsened by excessive exposure to blue light. In the end, he says you don’t need to wear blue-light-blocking glasses during the day. If that doesn’t help, Khurana recommends artificial tears to help lubricate dry eyes. It can occur “whenever you focus on anything - from reading a book, looking at a screen, or watching TV.” It can be alleviated by shifting your eyes every 20 minutes or so to something that’s 20 feet away for at least 20 seconds, he says. “Ultimately, I’m not really sure how it’s going to help with digital eye strain, which is what’s bothering people,” he says, explaining that the eye strain most people experience isn’t necessarily digital. That’s why Khurana doesn’t recommend any special eyewear for daily computer use. It’s staring at a screen for hours without breaks. “We keep on thinking about blue light from our computers and smartphones, but the reality is that we get more exposure to blue light from the sun.” Essentially, it’s not the blue light that’s making your eyes feel bad after a day of staring at the computer. Blue light is found in nearly every light source, including the sun, and excessive exposure can harm your vision.īut will filtering out blue light help with the digital eye strain that comes from extended time in front of a screen? Rahul Khurana, an ophthalmologist and clinical spokesperson for the American Academy of Ophthalmology, says that digital eye strain and the negative effects of blue light on your eyes are two separate concerns. ![]() If you’ve ever suffered from dry, irritated eyes after a long day of staring at your computer, you may have been tempted to purchase a pair of blue-light-blocking glasses. Most stylish clear blue-light-blocking glasses.
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