Optical apparatus and instruments; eyewear; spectacles; eyeglasses; protective spectacles; sunglasses; smart glasses; virtual reality glasses, goggles for sports; spectacles for children; spectacle lenses; correcting lenses (optics); lenses for sunglasses; contact lenses; contact lenses; spectacle frames; spectacle cases; cases for contact lenses; downloadable applications for mobile devices; software; computer programs; downloadable digital image files authenticated by encoded registration tokens, namely, virtual goods, depicting spectacles for use in online games and in online virtual environments; downloadable digital image files depicting digital collectibles authenticated by non-fungible cryptographic tokens via a blockchain network and distributed ledgers.

Retail services for medical optical goods, articles and instruments, optical apparatus and instruments, eyewear, spectacles, eyeglasses, protective goggles, sunglasses, smart glasses, virtual reality glasses, sports goggles, children's spectacles, spectacle lenses, correcting lenses (optics), sun lenses, contact lenses, spectacle frames, cases for spectacles, cases for contact lenses and contacts, cleaning preparations and products for the care of spectacle lenses, wipes impregnated with cleaning products for cleaning spectacles, preparations for cleaning contacts and contact lenses, chamois leathers, cleaning cloths and papers for spectacles; online retail sale services for medical optical goods, articles and instruments, optical apparatus and instruments, eyewear, spectacles, eyeglasses, protective goggles, sunglasses, smart glasses, virtual reality glasses, sports goggles, children's spectacles, spectacle lenses, correcting lenses (optics), sun lenses, contact lenses, spectacle frames, cases for spectacles, cases for contact lenses and contacts, cleaning preparations and products for the care of spectacle lenses, wipes impregnated with cleaning products for cleaning spectacles, preparations for cleaning contacts and contact lenses, chamois leathers, cleaning cloths and papers for spectacles; advertising; dissemination of advertising material (leaflets, printed matter, samples, prospectuses); rental of advertising space; online advertising on a computer network; organization of promotional and advertising activities for developing customer loyalty; sales promotion for third parties; organization of exhibitions for commercial or advertising purposes; business organization advice, namely building collections of optical articles and spectacles for others; providing information and advice to consumers with respect to the selection of products and items to be purchased; commercial advisory and information services in the field of selling optical and eyewear products; services provided by a franchiser, namely assistance in the operation or general administration of a commercial business; services provided by a franchiser, namely, offering commercial management assistance in the establishment and operation of stores in the optics, eyewear field.

Opticians' services; optometrists' services; ophthalmologists' services; orthoptists' services; optical tests; measuring visual acuity [opticians' services]; medical information and advice with respect to eye protection, visual correction and visual comfort; tests and adjustments of lenses, spectacle frames, lenses; eye care services; trying on spectacles and sight testing services; medical advice and medical information in the field of optics and eyewear; beauty advice in the field of optics and optical goods; medical advisory services with respect to optical lenses, spectacle frames, contact lenses, prostheses, and artificial implants (artificial eyes).