CR-39 and Refractive Indexes

For better optics, bright images and aesthetic appearances, we have lenses that are flat & compressed, offering more comfort and crisp clear vision at all times. Look at the difference below.

Same Optical Power – different thickness – More Lighter, More Brighter.

The Anti-Glare (Anti-Reflective) coating on the lens gives that clear image that changes the outlook of the person. Reflections are obliterated and the sheen on the lens is completely eradicated.

Refrective Index Chart