Enjoy a double order of style with square shaped Ray-Ban RX5279 prescription eyeglasses. The frame consists of flexible and hypoallergenic acetate, which is tough enough to survive your fast moving lifestyle. Flexible spring hinges reduce tension on the frames and provide easy fitting comfort. The full rim eyeglasses have square lenses, squared edges, and a smoothly angled browline to give definition to oval, round, and heart shaped faces. The glossy frame and shark fin temples of these prescription eyeglasses will add polish to your business or casual look.