Topcon Corporation is a Japanese manufacturer of optical equipment for ophthalmology and surveying. It operates in three segments,Positioning – which uses high-precision GNSS positing technology to achieve the automation of civil engineering construction and farming; Smart Infrastructure – which applies the surveying technology developed since its founding in the fields of infrastructure development and structural maintenance and management and Eye Care Business.

Topcon’s core business is founded on the surveying instruments which they have manufactured since their founding in 1932