
They are very light and semi-rigid. They block blue light (included with the blue light test kit). I've found that while studies claim there's no real evidence of the benefits of blue light blocking, such as: B. improved sleep or better eye health, but I can say that it helps with eye fatigue when working on the computer. What I like about these lenses is their optical clarity. correct zoom and no blurry areas on the edges like many other "cheaters". IMHO they are worth the price.

VisionGlobal Blue Light Blocking Glasses For Women/Men, Anti Eyestrain, Computer Reading, TV Glasses, Stylish Square Frame, Anti Glare
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