66 Vision Tech Co., Ltd. engages in the research and development, manufacture, and sale of ophthalmic devices. Its products include slit lamp microscopes, operation microscopes, surgical instruments, intraocular lens, process equipment, excimer laser systems, ophthalmoscopes, fundus cameras, eye care equipment, keratometers, tonometers, and motorized tables. The company was founded in 1956 and is headquartered in Suzhou, China.