These goggles weigh 12g and are the lightest of several blue light goggles I've compared. The frame might seem flimsy, but the TR90 should be pretty solid. They look decent and the temples are thin enough to fit over-ear headphones comfortably. The blue light blocking isn't as effective as some of the other brands of glasses I've looked at (using the blue light blocking test kit), but it's good enough for everyday use. My problem with these glasses is that the lenses creak in the frame. . Any little twist (even if you remove the glasses with one hand) is enough to make them creak. This makes these glasses look cheap. I wouldn't be surprised if the lens popped out.
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