More people are turning to blue light glasses to block the light from digital screens. But do they really work? What to know:
done by the University of Houston found that participants wearing the glasses showed about a 58% increase in their nighttime melatonin levels. “By using blue blocking glasses we … can improve sleep and still continue to use our devices. That’s nice, because we can still be productive at night,” said Lisa Ostrin, PhD, a professor at the university’s College of Optometry, according to a university news release.takes a different approach.
“It’s not terribly apparent that the glasses help when you’re wearing them, but I believe I can work longer and I know I can work more comfortably,” she says. “Usually my eyes poop out after 4 or 5 hours of computer work, but I can work longer with the glasses.” “I use them so often that I have a pair of blue light glasses around my neck all day,” he says. “I’m not an optometrist. I just know that my eyes don’t get as tired at the end of the day. My frequency of headaches has gone down. I’m able to focus on things easier on a screen.”
Calls to optometry offices showed that adding blue light blocking to prescription glasses cost $40-$60 at LensCrafters and $47-$125 at Pearle Vision, with nonprescription blue light glasses starting around $99.
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