| Meet polycarbonate's rival. Originally developed as visual armor for the military, Trivex was introduced as an impact resistant lens with high optical quality in 2001. Trivex is slightly thicker than other plastics however it distinguishes itself as the lightest material available. Its index of refraction is 1.53 and is widely used in drill mount frames due to its resistance to splitting and breaking. Trivex's quality is superior to its predecessors due to its safety, light weight, and trademarked optical quality. |