Size and details identical to round metal Rayban size 50-21. However, the material is creaky, dense and flimsy. I just had Lasik and my eyes are more tired than usual and I bought them on a whim. I think it helped a little. But maybe a placebo, or maybe my eyes are recovering from the surgery. They gave things a yellow tint. My eye surgeon said that blue light mainly affects your circadian rhythm and doesn't "stress or damage" the eye itself. Avoiding electronic devices a few hours before bed will benefit you the most. After all, these are cute over-the-counter glasses.
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