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 Shuron products, the Shuron MacArthur II provides the sophisticated and classic look that we all need. Shuron MacArthur II frames have a Aviator shape, which very fashionable now and great for progressive lenses. 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.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. See all Shuron Shuron Glasses Shuron glasses have been known for their Made in USA quality and high fashion since 1865. They have remained in style and demand since that time and no other eyewear company can make such a claim. Right now, Shuron still remain a constant force in the world of glasses and they do this by producing quality glasses frames that are manufactured with the highest quality raw materials. Shuron is is serving their new customers with the same pride as it did when it was the main source of eyewear products and machinery for independent and wholesale laboratories during the 1920s, and also when it serviced US Army troops during World War II with mobile optical units. The Shuron Ronwinne glasses frame celebrated its 16 millionth sale on August 6, 1971. All Shuron glasses and most Shuron sunglasses can be customized with prescription lenses, just like all of our glasses. The classic tradition of Shuron has been carried on by names such as Ronsir, icebreakers, Ronwinne, Freeway, and Nulady. All Shuron glasses are completely covered by their one-year manufacturing warranty against any defects.