TOPCON CORPORATION is mainly engaged in the manufacture and sale of smart infrastructure products, positioning products and eye care products. The Company operates in four business segments. The Smart Infrastructure segment provides total stations, three-dimensional (3D) mobile measurement systems, three-dimensional (3D) laser scanners, data collectors, theodolites, rotating lasers and pipe lasers, among others. The Positioning Company segment provides global positioning systems (GPSs) for location survey, civil engineering machine control systems, asset management systems and machine control systems for precision agriculture, among others. The Eye Care segment provides fundus cameras, slit lamps, laser photocoagulators, non-contact type Tono meters, lens edgers, vision inspection equipment and others. The Others segment engages in precision measurement business and optical device business.