![]() The actual research is complex, and there’s no consensus. The fact is, anyone promising miracles from a pair of blue-light-blocking glasses is probably selling something. To find out the truth, we tested 13 pairs of glasses, read nearly two dozen studies, and interviewed three optometrists, two sleep experts, two eyeglasses providers, a medical doctor, and an ergonomics expert. ![]() But most light sources (including the sun) produce blue light naturally and always have, so why are we suddenly trying to block it? And do these glasses do what they claim? The answer is murky, but we can tell you what scientists actually know about the dangers of blue light-and suggest some sturdy and stylish pairs of blue-light glasses you may want to try. If you believe the hype, blue-light-blocking glasses will prevent headaches, decrease eye strain, and help you sleep like a baby.
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