These designer prescription glasses are made to accommodate most prescription lenses.Made of metal, 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 A&A Optical products, the A&A Optical M540 provides the sophisticated and classic look that we all need. A&A Optical M540 frames have a oval shape, which helps to balance rectangular 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.A&A Optical M540 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 adjustable nosepads, a popular feature providing comfort and precision to any nose shape.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.1-year warranty. The warrantee by the manufacturer covers manufacturer's defects for the frame. As an online optical superstore, we can help to process a warrantee for you with the manufacturer, according to their return policy. A&A Optical Eyeglasses A&A Optical Company was founded in 1971 by Alex and Agnes Liener. In 37 years, the company has developed and brought to the market 7 established eyewear brands and over 300 glasses styles focused on market specific collections covering all demographic segments. From unique, one of a kind glasses looks, European inspired glasses designs to classic eyeglasses value styles, A&A Optical is dedicated to delivering to you the most innovative, premium eyeglasses products and exceptional customer service to meet the growing demands. A&A Optical Eyewear continues to offer our partners the "Ultimate eyewear buying experience".