Do Blue Light Glasses Really Work?

Do blue light glasses work to protect your eyes from digital screens? The short answer is no, but not for the reason you might think. Blue light glasses don't work because recent evidence suggests that blue light isn't actually harmful.

Are blue light glasses scientifically proven?

Reliably, researchers have found that those with the blue-light-blocking glasses aren't any less likely to complain of eye strain when the study is over. For Rosenfield and other scientists, these results make sense. There's no biological explanation for why blue light would induce eye strain.

Do blue light glasses really make a difference?

Researchers agree that blue light from LED devices like your smartphone or laptop holds back the body's production of sleep-inducing melatonin. A 2017 study done by the University of Houston found that participants wearing the glasses showed about a 58% increase in their nighttime melatonin levels.