Carl Zeiss Vision Inc, 4605 Rusan St, Saint Cloud, MN 56303, US

National Vision is one of the largest optical retailers in the United States. It operates more than 500 retail locations in over U.S. 40 states. It has a work force of nearly 4,000 employees. The company s retail divisions include America's Best Contacts & Eyeglasses, Vision Center, The Optical Shoppe and Optical Center. National Vision offers a variety of lens options, such as single vision, bifocal, trifocal, progressive, polarized and transition. It provides permanent and detachable protective side shields. The company also carries a range of accessories that include cases, cords, eyeglass cleaners and lens cleaning cloths. National Vision offers specialized eyewear, including safety and sports glasses, as well as eyeglass repair items and frames. National Vision additionally provides products from the Prada, Randy Jackson, D&G and Ray-Ban brands. It offers contact lenses from the Acuvue Advance, Freshlook Colorblends, Purevision Spherical and Soflens Toric brands.