Carl Zeiss is a leading international group of companies operating worldwide in the optical and opto-electronic industry. Carl Zeiss AG is headquartered in Oberkochen, Germany. The Carl Zeiss Group consists of six business units that operate with sole responsibility. They are generally ranked first or second in the three strategic markets of biomedical research and medical technology, system solutions for semiconductor, automotive and mechanical engineering industries, and optical consumer goods such as eyeglass lenses, camera lenses and binoculars. With sales organizations in the most important markets around the world, have production plants in Europe, North America, Central America and Asia. Carl Zeiss Vision International is one of the divisions of Carl Zeiss AG, headquartered in Aalen. As a global leader of the optical industry, Carl Zeiss Vision with a strong presence in all major markets, full product and technology portfolios, and well-known trade and consumer brands.