![]() ![]() Softer materials will flex instead of fragment when Scratching: The reason for polycarbonate lenses' impact resistance.Industrial safety goggles, and children's eyewear. It impact resistance makes the material extremely suitable for sports, Impact Resistant: Polycarbonate material was originally madeįor uses on canopies covering fighter planes and then made its way into space onĪstronaut visors and space shuttle windshields.Industry standard for safety goggles, and highly recommended for kids' lenses. Lenses are the most impact resistant lenses on the market. PC lenses 20% thinner and 25% lighter than regular plastic lenses. Polycarbonate lenses has a high index of refraction 1.59 and low density making That pair of sunglasses you’ve been eyeing for so long. Tinting: Mid index lenses are also tintable, so you can get.Reflections: Mid Index lenses have much lower internal reflection.Fogging: Mid Index lenses are less likely to fog-up than glass.Lenses refract the light at a greater angle allowing the wearer to have a beautifully Thicker lenses add to the weight of each pair of glasses reducing comfort. Thicker lenses increase internal reflections that reduce vision quality. As prescription increases, the lenses become thicker. ![]() If you want thinner, lighter lenses, and have an milder prescription, then mid index Even lenses with variable thickness are able to be Tinting: CR39 lenses are great for tinting.Reflections: CR39 lenses have much lower internal reflection. ![]() The lighter weight provides the wearer greater
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