Essilor International (Compagnie Generale d'Optique) designs, manufactures and sells ophthalmic lenses, ophthalmic optical instruments and equipment. Co.'s activities are divided into three segments: Lenses and Optical Instruments (Co. designs, manufactures and customizes corrective lenses such as: Varilux (progressive lenses); anti-reflective, smudge-proof and anti-static lenses (Crizal); Nikon lenses, Transitions variable-tint lenses and Kodak lenses under agreements; polarized lenses (Xperio) and fog-proof lenses (Optifog)), Equipment (Co. produces, distributes and sells equipment and consumables used by prescription laboratories) and Readers (Co. designs and sells reading glasses).

GrandVision offers wide access to vision services and products, which includes prescription glasses, contact lenses and care products, and sunglasses both with and without prescription lenses. Co.'s exclusive brands includes: Frames (5th Avenue Heritage, Activ, BeBright, C-line, DbyD, Enzzo, Fuzion, Go Green, Heritage, Julius, IN STYLE, iSwitch, LightFly, Miki Ninn, Play!, Seen, Sensaya, The one, twiins); Sunglasses (Heritage, Seen, Solaris, Unofficial); Lenses (LightView, VariView); and Contact Lenses (Eyexpert, iWear). As of Dec. 31, 2016, Co.'s network includes 6,516 stores across more than 40 countries in Europe, the Americas, and Asia and operates under 29 local retail banners.

Safilo engages in the design, production, wholesale, and retail distribution of prescription eyewear, sunglasses, sports eyewear, and accessories. Co. also provides optical frames, technical sports goggles, ski goggles, and helmets. Co. provides its products under various brands such as Safilo and Smith, as well as under the licensed brands, such as Alexander McQueen and Banana Republic. Co. serves opticians, optometrists, ophthalmologists, distribution chains, department stores, specialized retailers, licensors' own stores, duty free shops, and sports shops through independent distributors and agents, as well as through its own branches in Europe, the Americas, Asia, and internationally.