Choosing the material of your lenses is very simple!

All our lenses include graduated lenses in material CR39 , this material is the most commonly used. If you have a prescription in the normal range of -2.00 to +3.00 and your frame is complete, this is the lens for you.

, This material is ultra-resistant and very thin, it is recommended for half-air frames or frameless lenses. Also for high prescriptions and children's lenses.