LUOMON Navigator Sunglasses for Men with 62mm Gradient Rectangular Lens LM128 Frame Material: TR90 Lens: UV400 protection.UV 400 indicates an eye protection item that has been optimized to prevent eye exposure to both UVA and UVB radiation Light-weight sunglasses can hardly feel them on your face, but they are durable sunglasses could be highly useful for any sports to make you feel more comfortable. Package Accessory: 1 * Exquisite Packaging Eyewear Box 1 * Premium Portable Case 1 * Sunglasses Pouch 1 * Microfiber Cleaning Cloth 1 * Polarized Sunglasses Instructions Look After Me: To avoid damage, never clean your sunglasses with paper towels or clothing,and also avoid using household detergents or soaps http://www.amazon.com/shops/LUOMON Eye Doctor Q & A: Q: What is the best color for sunglass lenses? A: For general use,red,grey,green,or brown are recommended to avoid or minimize color distortion.My personal favorite is brown polarized lenses.The polarization cuts glare so I can see even hazy-day landscapes in sharp detail.And the brown tint gives everything a warm glow that makes the world look like a beautiful painting. Q: Do polarized sunglasses help see fish and rocks below the water surface? A: Yes.First,if there is glare,they help a lot by reducing its blinding effect.Second,they selectively reduce other reflections from objects above water,including clouds and even the sky.The end effect is that the water seems darker but more transparent! Q: Can polarized sunglasses help when driving a car? A: Yes.Those pesky bright reflections of the sun on the cars ahead can sometimes be attenuated a good deal.Of course,if the road is wet you get the same anti-glare power than at sea.
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