
I bought half of these, expecting them to be counterfeit and then they arrived and failed online blue light blocking tests (blue was not blocked in the picture) which me thought they were torn off, but after using it at work (sometimes looking at screens for 12+ hours with a lot of eye strain afterward) I had virtually no eye strain. The first day after using it I thought maybe it was just a coincidence, but after about a week my eyes stopped hurting after long sessions in front of the screen.

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