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These are adult-size blue light blocking glasses with ABS plastic frames and polycarbonate lenses rated UV400, which blocks 100% of UV. The lenses are aimed at filtering blue light from phones, tablets and computer screens, which the maker says can strain eyes and affect sleep. They measure about 5.7 inches wide by 2 inches high by 6 inches deep. They are a plain, budget-tier pair for screen-heavy days; they carry no blue-light filtering percentage, no anti-glare coating claim and no prescription option, so they sit below branded computer glasses that publish those figures.
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These adult-size glasses have lenses that block blue light, which comes mostly from phones, tablets and computers. Blue light exposure can strain the eyes, and its wavelength can be harmful to the retina and can affect sleep.
The frames are ABS plastic and the lenses are polycarbonate. The lenses have UV400 protection, which blocks 100% of UV.
