New never worn . McAllister MC4519 Tortoise Shell Glasses Progressive Friendly? Yes The McAllister eyeglasses MC4519 will accommodate single vision, progressive lenses or bifocal lenses. These luxury designer prescription glasses are made to accommodate most prescription lenses. Made of plastic, otherwise known as cellulose acetate, or zyl, the eyewear frame can be easily adjusted for a perfect fit with your prescription lenses. Your McAllister 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 McAllister products, these eyeglasses frames provide the sophisticated and classic look that we all need. McAllister MC4519 eyeglass frame features a trendy rectangle shape, which helps to balance rounded face features. Frame shape is the most noticeable feature of a pair of glasses, followed by frame colors and frame size. Top brands always have a large collection of rectangle frame shape glasses, as well as oval frame shape glasses. McAllister MC4519 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.