Advisory, assistance and information services in commercial matters; creation and updating of commercial and advertising documentation, of product and service catalogs, in electronic and online form inclusive; distribution of catalogs for promotional and advertising purposes; publication of advertising texts; dissemination of advertising announcements; distribution of advertising materials, namely leaflets, flyers, printed materials, samples; statistics compilation; collection and systematization of data in a central file; computer file management; survey; search for sponsors; organization of advertising by means of competitions; public relations; assistance with inventory management; marketing services; presentation of products for retail sales by any means of communication; selection (promotion) of products and services (for third parties); product demonstration; organization of promotional operations such as sales and services aiming to build customer loyalty; customer loyalty services and customer club services, for commercial, promotional and/or advertising purposes; advertising and sales promotion for third parties, in particular on telecommunications and/or computer networks; organization of exhibitions and events for commercial and/or promotional and/or advertising purposes; retail, wholesale and online sale services featuring eyewear, eyeglasses, eyeglass frames, eyeglass lenses, ophthalmic lenses and contact lenses.;