Try on the CO (5515) DEMO at your local Nationwide Vision location. These gold designer eyeglasses from Silhouette are perfect for focusing at work or relaxing at home. Made from titanium, these eyeglasses feature a design and can help you see clearly with prescription lenses. At Nationwide Vision, we can build a complete pair of Silhouette CO (5515) DEMO just for you, with custom lenses designed for your vision needs.