The Refractive Index Is Determined By The Eyeglasses Materials Used
Resin lenses themselves can absorb ultraviolet rays and have a good protective effect against ultraviolet rays from the front of the lens. However, ultraviolet rays on the back surface of the lens can still be reflected and enter the eye, causing harm. So, the double-sided UV protective sunglass near me film layer can effectively solve the problem of UV reflection on the back surface,...
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