To be honest I was skeptical but thought let's try them for the price. I am really impressed. I saw an ad on Facebook and decided to check out the Revain blue light blocking glasses because I honestly spend 12-16 hours a day in front of a screen. I was familiar with the orange screen shift at night, but I didn't want my screen to become discolored as I'm a designer and need to see color accurately. I've been wearing them for a few days when I'm in front of screens and now I can't look at a screen without them. It's actually pretty incredible. There's a very subtle yellow tint, but more because it blocks blue lasers from the screens and less because the lenses are tinted. The color elements on the screen haven't changed much, which is good because the colors still match the color of the screen. These are also very stylish glasses and they are very well made. Haven't noticed a significant difference in terms of fatigue or improved sleep as a result yet, but plan on giving it a few days before commenting on the fatigue relief.
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