I bought these because I'm a programmer and I sit at the computer more than 8 hours a day and because of that I often get a headache or just feel a strain in my eyes at the end of the day. I've only had them for a few days but so far they seem to be doing their job. I feel like I can relax more easily at the end of the night after staring at a screen all day. The frame is definitely cheap and flimsy, you get what you pay for, but it actually worked for me because I was able to bend it outwards a bit to better fit my face. The lenses definitely have a yellow tint. So if you're worried, stay away from these particular lenses. I'm not sure if this is common with blue light glasses or not, but I've seen people ask this question about other products so thought I'd include it here.
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