These designer sunglasses cannot take prescription lenses.Made of plastic, otherwise known as cellulose acetate, or zyl, the frame can be easily adjusted for a perfect fit with your prescription lenses. Your frame purchase includes free standard shipping charges, and manufacturer packaging. You can add doctor verified prescription lenses, add custom polarized lenses, and many other lens options if you desire them. Like all Swarovski products, the Swarovski SK0309 provides the sophisticated and classic look that we all need. Swarovski SK0309 frames have a cat-eye shape, which complement most facial features. Frame shape is the most noticeable feature of a pair of glasses, followed by frame color and frame size. Top brands always have a large collection of rectangle frame shape glasses, as well as oval frame shape glasses.Swarovski SK0309 frames feature a fashionable full frame design, which is the largest component of designer eyeglasses brands collections. A rim all the way around the lenses, provides for maximum stability and durability.Designed for adults, this model has a Regular type hinge for greater comfort. See all Swarovski Swarovski Sunglasses Swarovski sunglasses are made in Austria by Silhouette, one of the world's leading eyewear makers. Swarovski is well-known in the world as the world’s leading producer of precision-cut crystal for fashion, jewelry and more recently lighting, architecture and interiors. The company was formed in 1895 by Daniel Swarovski, a bohemian inventor and visionary businessman. All Swarovski sunglasses feature distinctive, beautifully cut Swarovski crystals adorning the frame or temples. When you wear Swarovski sunglasses, you will sparkle and light the world on fire with your brilliance.