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 Timex products, the Timex Amp provides the sophisticated and classic look that we all need. Timex Amp 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.Standard skull temples can be easily adjusted to fit perfectly behind your ears.3-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. See all Timex Timex Eyeglasses Timex Glasses: Timex, world renowned for ages in the making of precision watches, now introduces the Timex Eyeglasses Collection. Made by Kenmark Eyewear, one of the world's largest makers of eyeglasses, Timex Eyewear is well-made and comes in a large variety of shapes and colors to fit all tastes.