The Hepburn cat-eye lenses, are manufactured in conditional quantities using only the finest purity TAC, assuring 100% visual clarity. They are lightweight and impact-resistant, with superior visual and polarization clarity like never before. The polarized lenses are made from a high-end, multi-layered technology that filters unwanted light, reduces glare with an anti-glare and scratch-resistant coating, and enables maximum optical clarity. They also filters 100% of all UVA/UVB rays as well as blue-light rays emitted from screens. These frames are RX-able and can be brought to your local optician should you require prescription lenses. Details Lens: TAC Polarized Lens with Superior Optical Quality Coating: Anti-Glare and Scratch-Resistant UV Rating: 100% UVA/UVB Protection Blue-Light Blocking: Yes Rx-Able: Yes Frame: Strong and Lightweight Injection-Molded Cellulose Propionate Hardware: Customized Barrel Hinges and Akulon-Coated Screws for Durability; Temple Wire Core Adds Stability to Maintain the Shape Includes: Foldable Case, Microfiber Cloth