PHOTOTROPIC LENSES Adjusting to changing light conditions Phototropic spectacle lenses detect changing light conditions and react to them. Just as with polarising spectacle lenses, phototropic spectacle lenses have a special (invisible) layer integrated into the lens, the molecules of which react to different light conditions. When the spectacle lenses are exposed to a lot of [...]

Trivex®-Material Stable material resistant to breakage specially developed for sports and children’s spectacles This exceptional material combines light weight with toughness and a high level of visual comfort. Trivex® opens up a whole new dimension in the use of plastics for spectacle lenses. Trivex® was originally developed for the American military. It has [...]