Carl Zeiss Vision Sunlens has launched a special polycarbonate lens for ski goggles engineered to soften the shock of passing from bright sun on snow to zones of shadow. The lens consequently improves vision in the shadow. The same technology is adapted to sunglasses used for driving. The company is a division of the German Carl Zeiss group based in Castiglione Olona in Italy. It uses a whole range of high-tech materials, including specific materials for sports eyewear. Clients can test a lens mounted on a prototype in order to check that it is the right lens for them. To fight counterfeiting, the company has engraved an almost invisible “z” on the lens, done through a secret procedure, that is impossible to reproduce.

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