Luxottica Group S.p.A. is an Italian eyewear conglomerate based in Milan. As a vertically integrated company, Luxottica designs, manufactures, distributes, and retails its eyewear brands all through its own subsidiaries. The company, presently organized as a subsidiary of EssilorLuxottica which formed when the Italian conglomerate merged with the French optical firm Essilor, is the world's largest company in its industry, both prior to and after its merger with Essilor.

LensCrafters is an international retailer of prescription eyewear and prescription sunglasses. Its stores usually host independent optometrists on-site or in an adjacent store. The company has its corporate headquarters in Mason, Ohio, a suburb of Cincinnati in the US.