For over 49 years Exciton has excelled in the design and production of high purity and high-performance dyes. Our expertise includes Narrow Band Visible and Infrared Absorber dyes for optical filters, Fluorescent and the closely related Laser dyes. We are proud to announce the opening of our new laboratory in Columbus Ohio. Since early 2017 Exciton has been part of Luxottica, now EssilorLuxottica, the leader in the design, manufacture and distribution of fashion, luxury, and sports eyewear.