Polycarbonate and Trivex lenses resist impact and are the standard for children's, safety, sports and rimless eyewear. Polycarbonate is injection moulded; Trivex is cast and has better optics.
Varieties (worldwide)
Polycarbonate single vision lensesPolycarbonate progressive lensesPolycarbonate safety lensesTrivex lensesPolycarbonate lenses for childrenPolycarbonate lens blanksPolycarbonate sunglass lensesPolycarbonate lenses for rimless frames