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Alcon Inc. researches, develops, manufactures, distributes, and sells eye care products for eye care professionals and their patients worldwide. The company's Surgical segment offers equipment, instrumentation and diagnostics, intraocular lenses (IOLs), and other implantables; and consumables, including viscoelastics, surgical solutions, incisional instruments, surgical custom packs, and other products for surgical procedures. Its cataract products include Centurion vision system, LenSx laser system, ARGOS biometer, LuxOR surgical ophthalmic microscope, SMARTCATARACT health platform, NGENUITY 3D visualization system, Verion reference unit and Verion digital marker, and ORA system for intra-operative measurements; custom pak surgical procedure packs; vitreoretinal products comprising constellation vision systems, procedure packs, lasers and hand-held microsurgical instruments, and grieshaber and MIVS instruments, as well as scissors, forceps and micro-instruments, medical grade vitreous tamponades, and Hypervit vitrectomy probes; refractive surgery products, including WaveLight lasers and Contoura Vision used for LASIK treatment; EX-PRESS glaucoma filtration device; and implantable products, including AcrySof IQ products, such as monofocal IOLs and advanced technology IOLs for the correction of presbyopia and astigmatism at the time of cataract surgery. Its Vision Care segment provides daily disposable, reusable, and color-enhancing contact lenses; ocular health products, such as dry eye, glaucoma, contact lens care, and ocular allergies; and ocular vitamins and redness relievers. The company was formerly known as Alcon Universal S.A. and changed its name to Alcon Inc. in December 2001. Alcon Inc. was founded in 1945 and is headquartered in Geneva, Switzerland.

National Vision Holdings, Inc., through its subsidiaries, operates as an optical retailer in the United States. The company operates in two segments, Owned & Host and Legacy. It offers eyeglasses and contact lenses, and optical accessory products; provides eye exams through its America's Best, Eyeglass World, Vista Optical, Fred Meyer, and Vista Optical military, as well as Vision Center branded stores; and offers health maintenance organization and optometric services. National Vision Holdings, Inc. was founded in 1990 and is headquartered in Duluth, Georgia.

Luxottica Group S.p.A., together with its subsidiaries, provides fashion, luxury, sports, and performance eyewear worldwide. It operates through two segments, Manufacturing and Wholesale Distribution, and Retail Distribution. The Manufacturing and Wholesale Distribution segment engages in the design, manufacture, distribution, and marketing of proprietary and designer lines of prescription frames and sunglasses. This segment offers its products under proprietary brands, such as Ray-Ban, Oakley, Persol, Oliver Peoples, Alain Mikli, Arnette, and Vogue Eyewear; and licensed brands, including Giorgio Armani, Emporio Armani, Armani Exchange, Brooks Brothers, Burberry, Bulgari, Chanel, Coach, Dolce&Gabbana, DKNY, Michael Kors, Paul Smith Spectacles, Prada, Miu Miu, Ralph Lauren, Polo Ralph Lauren, Ralph, Starck Eyes, Tiffany & Co, Tory Burch, Valentino, Versace, and Ferrari. The Retail Distribution segment operates prescription eyewear stores primarily under its retail brands, including LensCrafters, Sunglass Hut, Pearle Vision, OPSM, Laubman & Pank, GMO, David Clulow, Salmoiraghi & Viganò, Ray-Ban, Oakley and Vault, Oliver Peoples, Alain Mikli, Ilori Optical, and Optical Shop of Aspen; and licensed brands, such as Sears Optical and Target Optical. As of December 31, 2017, it operated approximately 9,000 stores. The company was founded in 1961 and is headquartered in Milan, Italy. As of October 1, 2018, Luxottica Group S.p.A. operates as a subsidiary of EssilorLuxottica.

STAAR Surgical Company, together with its subsidiaries, designs, develops, manufactures, markets, and sells implantable lenses for the eye, and companion delivery systems to deliver the lenses into the eye. The company provides implantable Collamer lens product family (ICLs) to treat visual disorders, such as myopia, hyperopia, astigmatism, and presbyopia. It markets its products to health care providers, including ophthalmic surgeons, vision and surgical centers, hospitals, government facilities, and distributors, as well as products are primarily used by ophthalmologists. The company sells its products directly through its sales representatives in the United States, Japan, Germany, Spain, Canada, the United Kingdom, and Singapore, as well as through own representatives and independent distributors in China, Korea, India, France, Benelux, Italy, and internationally. STAAR Surgical Company was incorporated in 1982 and is headquartered in Lake Forest, California.