Alcon, Inc. engages in the development, manufacture, and marketing of market surgical equipment and devices, pharmaceutical eye drops, and consumer vision care products to treat eye diseases and disorders. It operates through the following segments: Surgical and Vision Care. The Surgical segment offers implantable products, consumables and equipment for use in surgical procedures to address cataracts, vitreoretinal conditions, refractive errors, and glaucoma. The Vision Care segment comprises daily disposable, reusable and color-enhancing contact lenses, as well as portfolio of ocular health products, including over-the-counter products for dry eye, contact lens care, and ocular allergies, as well as ocular vitamins and redness relievers. The company was founded by Mr. Robert Alexander and Mr. William Conner on 1945 and is headquartered in Geneva, Switzerland.

Bausch & Lomb is a Canadian eye health products company based in Laval, Quebec, Canada. It is one of the world's largest suppliers of contact lenses, lens care products, pharmaceuticals, intraocular lenses, and other eye surgery products. The company was founded in Rochester, New York in 1853 by optician John Bausch and cabinet maker turned financial backer Henry Lomb. Until its sale in 2013, Bausch & Lomb was one of the oldest continually operating companies in the US.

Alcon Research Ltd., a subsidiary of Nestl�� SA, is a company headquartered in Huntington, WV, that manufactures optical goods.

Santen Pharmaceutical Co., Ltd engages in the manufacture and sale of pharmaceutical products and medical devices. It operates through the following segments: Pharmaceuticals and Others. The Pharmaceuticals segment includes prescription ophthalmic drugs, anti-rheumatic pharmaceuticals, and over-the-counter products. The Others segment offers medical equipment and devices. The company was founded by Kenkichi Tagushi in 1890 and is headquartered in Osaka, Japan.

HOYA CORPORATION is engaged in the manufacture and sale of electronics-related products, imaging products, healthcare products and medical products. The Company operates in three business segments The Information and Communication business segment has two divisions. The Electronics division offers photomasks and mask blanks for semiconductors, liquid crystal displays masks and hard drive (HDD) for glass disk use. The Image division provides optical lens, digital camera modules and optical devices, among others. The Life Care segment has two divisions. The Healthcare division offers ophthalmic lenses and contact lenses. The Medical division provides endoscopes, intraocular lenses and artificial bones. The Others segment is involved in the building of information systems. On October 1, 2011, the Company established a wholly owned subsidiary to takeover the manufacture and sale of imaging system from HOYA, and sold all shares of the newly established subsidiary to Ricoh Company, Ltd.

Novartis AG is a holding company, which engages in the development, manufacture, and marketing of healthcare products. It operates through the following segments: Innovative Medicines, Sandoz, and Corporate. The Innovative Medicines segment researches, develops, manufactures, distributes and sells patented pharmaceuticals, and is composed of two business units: Novartis Oncology and Novartis Pharmaceuticals. The Sandoz segment develops, manufactures and markets finished dosage form medicines as well as intermediary products, including active pharmaceutical ingredients. The Corporate segment refers to group management and central services. The company was founded on February 29, 1996 and is headquartered in Basel, Switzerland.

Nidek Co. Ltd. develops ophthalmic surgical and diagnostic equipment for the optical and eye care industries. It offers ophthalmic surgical devices, examination and diagnostic devices, electronic medical record and practice management medical filing systems, intra-ocular lenses and dermatological surgical lasers. The company was founded by Hideo Ozawa in July 1971 and is headquartered in Gamagori, Japan.

Develops and manufactures ophthalmic pharmaceutical products

Abbott Medical Optics, Inc. develops and manufactures medical devices and supplies for eye care. Its products include star s4 IR excimer laser, wavescan wavefront system, intralase FS laser, catalys precision laser system, tecnis iTec preloaded delivery system, compact intuitiv system and ultrazyme enzymatic cleaner. The firm also offers customer and technical support, service agreement, practice development and intralase electronic procedure services. The company was founded in 1976 and is headquartered in Santa Ana, CA.

PhysIOL SA develops and manufactures intraocular lenses. It offers multifocal IOL, toric IOL, hydrophobic IOL, preloaded IOL, injection systems, viscoelastics and other surgical products. The firm's services include polymer chemistry through to sterilization processes, including modeling and risk-control associated with implantable materials. The company was founded in 1986 and is headquartered in Liege, Belgium.

Bausch & Lomb Holdings, Inc. developed, manufactured, and sold eye health products. Its products included contact lenses, contact lens care solutions, ophthalmic pharmaceuticals, and surgical products. The company was founded on September 25, 2009 and was headquartered in Rochester, NY.

Attinger Technik is an engineering medical devices based on long practical experience.

Carl Zeiss Meditec AG engages in the development, manufacture and marketing of medical devices. It operates through the Ophthalmic Devices and Microsurgery business segments. The Ophthalmic Devices segment includes intraocular lenses, surgical visualization solutions and medical laser and diagnostic systems. The Microsurgery segment offers surgical microscopes and visualization solutions for neuro, ear, nose, and throat surgery, as well as the activities in the field of intraoperative radiotherapy. The company was founded on July 2002 and is headquartered in Jena, Germany.

ASICO LLC, part of Corza Medical Inc., is a company headquartered in Westmont, IL. The firm manufactures ophthalmic surgical instruments. It was founded in 1983 by Ravi Nallakrishnan. Katena Products, Inc., now a subsidiary of Corza Medical Inc. acquired ASICO LLC on April 14, 2021.\nThe company says this about itself: ASICO, LLC, located Westmont, IL, has a 35-year history of providing high-quality ophthalmic surgical instruments to healthcare providers, while also remaining at the forefront new products and technologies. ASICO’s product range encompasses over 1,500 items ophthalmic products. The Walden Group (Tarrytown, NY) advised ASICO as merger and acquisition advisor.

Part of Pfizer Inc., IO Vision, Inc. is a company headquartered in the United States. The firm manufactures and distributes lens. On March 01, 1995 Pharmacia AB acquired IO Vision, Inc.

Part of Carl-Zeiss-Stiftung, Carl Zeiss Meditec France SAS is a French company located in Le Pecq. The firm wholesales distribution of prescription drugs, proprietary drugs and toiletries. It was founded in 1990.

Tianjin Century Kangtai Biomedical Engineering Co., Ltd., established on 2008-12-22, Business scope includes licensed projects:Production of Class II Medical Devices;Production of Class III Medical Devices;Cosmetic production;food production;Food additive production;Health food production.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,The specific business items are subject to the approval documents or licenses of relevant departments).General project:Production of Class I Medical Devices;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;New material technology promotion service;Biochemical product technology research and development;Medical Research and Experimental Development;Optical Instrument Sales;Optical Glass Sales;Optical Glass Manufacturing;Optical Instrument Manufacturing;Instrument Manufacturing;Sales of functional glass and new optical materials;General equipment manufacturing(Does not include special equipment manufacturing);Sales of electrical machinery and equipment;Machinery sales;Electrical Equipment Sales;Specialty Chemicals Sales(Free of Hazardous Chemicals);Manufacturing of Specialty Chemical Products(Free of Hazardous Chemicals);Manufacturing of daily chemical products;Professional Design Services;marketing planning;Business Management Consulting;Corporate Image Planning;Technology intermediary service;synthetic material manufacturing(Free of Hazardous Chemicals);Cosmetics Retail;Cosmetics Wholesale;Sales of hygiene products and single-use medical products;Sales of bio-based materials;New material technology research and development;Manufacturing of bio-based materials;Synthetic Materials Sales;Research and development of bio-based materials technology;Engineering and Technology Research and Experimental Development;Sales of building materials;Sales of lightweight building materials;Information Consulting Service(Not including licensing information consulting services);Wholesale of kitchenware, sanitary ware and daily sundries.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license).

Fuluo (Shanghai) Medical Equipment Co., Ltd., established on 2015-05-11, The scope of business includes the operation of medical equipment,Computer software and auxiliary equipment,electronic product,Glass product,Electrical Equipment,Instrumentation,cosmetic,Chemical Products(Removal of hazardous chemicals,Monitor Chemicals,firecrackers,civilian explosives,precursor chemicals)promotion of,Engaged in the import and export of goods and technology,Own Equipment Rental,Business Consulting,computer,Maintenance of machinery and equipment,Business Management Consulting,Exhibition display service,Intraocular lens production. [Items subject to approval by law,Business activities can only be carried out after approval by relevant departments]