Try on the BJ (6660) DEMO at your local Nationwide Vision location. These blue designer eyeglasses from Silhouette are perfect for focusing at work or relaxing at home. Made from metal, 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 BJ (6660) DEMO just for you, with custom lenses designed for your vision needs.