If you scratched, broke, or lost a lens on your eye glasses there is no reason to buy a new pair of glasses. Simply , replace the lens! All types of options are available: Single Vision, Lined Bifocal, Lined Trifocal, Progressiv, Non-Prescription Lenses, Plastic, Polycarbonate, Trivex, High Index 1.67 , High Index 1.74, and more.