Received them a few days ago and am wearing them. I honestly don't see a big difference yet. I'm also not sure what to look for; I've tried blue light but I don't see what they are trying to show with it. The glasses are plastic, which worries me because I see them breaking when I put them on. The computer screen looks the same with or without it. I'll give him a few more days before deciding whether to keep him or not.
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