Protective sports glasses kit comprised of three *polycarbonate lenses with 100% UV 400 protection whilst also being made to comply with vision frame regulations so as to be able to mount vision lenses within the outer protective lenses.17x9cm semi rigid case included *Polycarbonate was developed in the 1970s for aerospace applications, and is currently used for the helmet visors of astronauts and for space shuttle windshields. Eyeglass lenses made of polycarbonate were introduced in the early 1980s in response to a demand for lightweight, impact-resistant lenses.
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