Crystal Vision Enhanced lenses are made by a world leading company making top quality lenses. All Crystal Vision Enhanced lenses are made in the U.S., to exacting specifications, in an Crystal Vision laboratory. This lens is a good choice for corrections up to +/-8.00, and it is available with a variety of options such as Transitions, Tint, Standard Anti-Reflective coating, and the top-quality Crizal Alize and Crizal Avance coatings.