VERTEX SPHERE (formerly Encore) - contact lenses. Every day, more and more people are enjoying the superior comfort and vision quality of Vertex Sphere contact lenses. These remarkable contacts are a great choice when you're looking for a disposable soft contact lens that offers an ideal combination of convenience and performance. Vertex Sphere contact lenses also feature CooperVision's patented UltraSync edge design, ensuring you'll enjoy the best in comfort and great vision. Vertex Sphere (Formerly Encore) contact lenses by Coopervision provide consistent comfort and accuracy of vision from lens to lens. Contact lenses have a light blue tint for easier handling, insertion and removal. FEATURES: Crisp, clear vision; Disposable lens convenience; Very comfortable.