GKB Optic Technologies is a joint effort of GKB Opticals Ltd. and Essilor International in the field of Rx Export Lab in India. We, at GKB Opticals Ltd., have been engaged in the lens industry for more than 50 years. In 2010, the brand was joined by Essilor, RX lens production the world leader in spectacle lenses, to create GKB Optic, a world-class infrastructure Rx and Digital Lab in Noida, India in the Noida Special Economic Zone.