These designer prescription glasses are made to accommodate most 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 Steve Madden products, the Steve Madden Heidii provides the sophisticated and classic look that we all need. Steve Madden Heidii frames have a rectangle shape, which helps to balance rounded 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.Steve Madden Heidii 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.The frame has a Universal.Designed for adults, this model has a Spring type hinge for greater comfort.Standard skull temples can be easily adjusted to fit perfectly behind your ears. See all Steve Madden Steve Madden Glasses Steve Madden glasses are the invention of the Steve Madden brand, which has carefully built a worldwide designer reputation for stylish quality and fashionable craftsmanship. The popular glasses collection takes advantage of its heritage with some classic frame styles but it also winks at a new contemporary dynamism. Steve Madden glasses are the ideal choice for men or women with a self-confident attitude who know what they want.