What is UV 400 protection on sunglasses? - All About VisionExplore further
2021-9-27u2002·u2002Fortunately, UV 400 sunglasses are available in a wide range of prices. A good pair of 100% UV-blocking glasses can cost as little as $10 but also can run upward of $500, depending on brand, style and fit. Prescription lenses also will add to the cost. Whatever style of sunglasses you choose, make sure the lenses block 100% of UVA and UVB rays.
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