GKB Ophthalmics Ltd. is a holding company, which engages in the manufacture and sale of ophthalmic lenses made up of glass and plastic. Its products glass moulds bifocal moulds, include mineral, finished, semi-finished, and organic lenses. It operates through within India, and outside India geographical segments. The company was founded by Krishna Gopal Gupta on December 10, 1981 and is headquartered in Mapusa, India.