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This lens will darken in the sunlight and will become much lighter indoors therefore eliminating the need to have more than one pair. This is an excellent solution for anyone who goes inside and outside a lot during the day and eliminates the need for prescription sunglasses. Prescription sunglass lenses are made from a variety of materials including high index polycarbonate, plastic and glass. The first two are the lenses of choice due to their lightness and durability. Glass is rarely used anymore because of the weight of the lenses, although it has very good optics. Most wearers are opting for the lighter products such as polycarbonate and plastic. Polycarbonate lenses often come with a scratch resistant coating which tends to make them more durable. You can get polycarbonate lenses for your prescription eyeglasses as well. Polarized sunglasses offer 100% protection against the sun’s harmful UV rays. They also cut down the glare that can be dangerous especially when driving.
Amy-Jo Strutt is a successful fashion writer and regular contributor to sunglasses-eyeglasses-contact-lenses.com - An online resource to help you find the very best in all your eyewear needs. -lenses.com/prescription-sunglasses.html Article Source : www.womenbrands.com
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