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These are well-crafted glasses that are comfortable and stylish. I noticed that the lenses kind of yellowed a tiny bit after a few days, but I didn’t mind very much. As for functionality, they were beneficial. I am a teacher, and I purchased these when everything was entirely online, so I looked at a screen about 7-9 hours a day. Before using them, I would end the day with my eyes burning red and dry. After I began to use the glasses, my eyes felt much better; they weren’t red and super dry anymore, still dry but not as much.
The glasses were much larger than I expected, and I'm not sure they have actual blue light protection. Most blue light glasses I've seen have a tint where you can tell they're legitimate and that isn't there on these. The design is nice and all that but overall I would've gone with another product in hindsight.