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The PC material used for eyeglass lens was developed in the 1970s by the aerospace industry for use in helmet visors worn by astronauts. Today, because of its lightweight and protective features, PC is used for a wide variety of products including space shuttle windshields, luggage, "bulletproof glass," helmet visors of astronauts and police, swimming goggles and diving masks, Eyeglass lenses made of polycarbonate were introduced in the early 1980s in response to a demand for lightweight, impact-resistant lenses.
Polycarbonate is a large part of Cyxus innovation. Our polycarbonate lenses are manufactured with proprietary, fourth-generation water-white polycarbonate resins, are up to 50% lighter and thinner and 10 times more impact-resistant than glass or regular plastic lenses. Cyxus polycarbonate lenses have a specific gravity of 1.21. Plus, they have an index of refraction of 1.59 and can be made as thin as a 1.0 mm center.
These lenses are a smart choice for athletes, those who work in hazardous job environments, and especially for children. Kids have a greater tendency to drop their glasses and play a bit rough, so ideally all children’s frames should have polycarbonate lenses. Polycarbonate lenses are also a good choice for people who wear rimless eyeglass frames where the lenses are attached to the frame components with drill mountings because they are less likely to fracture than regular plastic or glass lenses.
Ideal for more than 80% of all prescriptions, Cyxus polycarbonate lenses can be mounted without scratching, cracking or breaking. They also allow various treatments, including photochromic and polarized, making them the most functional and highest performing material in the industry.
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