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.

Corning Incorporated engages in the display technologies, optical communications, environmental technologies, specialty materials, and life sciences businesses in the United States and internationally. The company's Display Technologies segment offers glass substrates for flat panel displays, including liquid crystal displays and organic light-emitting diodes that are used in televisions, notebook computers, desktop monitors, tablets, and handheld devices. Its Optical Communications segment provides optical fibers and cables; and hardware and equipment products, such as cable assemblies, fiber optic hardware and connectors, optical components and couplers, closures, network interface devices, and other accessories for the telecommunications industry, businesses, governments, and individuals. The company's Specialty Materials segment manufactures products that offer material formulations for glass, glass ceramics, crystals, precision metrology instruments, and software, as well as glass wafers and substrates, tinted sunglasses, and radiation shielding products for various markets comprising mobile consumer electronics, semiconductor equipment optics and consumables, aerospace and defense optics, radiation shielding products, sunglasses, and telecommunications components. Its Environmental Technologies segment provides ceramic substrates and filter products for emissions control in mobile, gasoline, and diesel applications. The company's Life Sciences segment offers laboratory products, including consumables, such as plastic vessels, liquid handling plastics, specialty surfaces, cell culture media, and serum, as well as general labware, and glassware and equipment under the Corning, Pyrex, Falcon, and Axygen brands. The company was formerly known as Corning Glass Works and changed its name to Corning Incorporated in April 1989. Corning Incorporated was founded in 1851 and is headquartered in Corning, New York.

Coherent Corp. develops, manufactures, and markets engineered materials, optoelectronic components and devices, and optical and laser systems and subsystems for the use in the industrial, communications, electronics, and instrumentation markets worldwide. It operates through three segments: Networking, Materials, and Lasers. The Networking segment offers telecommunication products for fiber-optic transmission; datacom transceivers, including pluggable transceivers for ethernet and fiber channel applications; and advanced optics, such as fiber and precision optics used in projection displays, crystal materials and components for optical communications, filters and assemblies for life sciences, sensors, instrumentation, and semiconductor equipment, as well as ultraviolet (UV), visible, and near-infrared spectroscopy optics for industrial lasers. The Materials segments provides laser optics and accessories; infrared thermal imaging optics and assemblies; polycrystalline materials; thermoelectric components, subassemblies, and systems; ceramic and metal-matrix composite products; semiconductor lasers and laser bars; Q-switched laser modules, uncooled pump laser modules, and laser systems for superhard materials processing; laser processing heads and beam delivery systems; EELs, VCSELs, and detectors; pumps for amplifiers; precision optical assemblies, infrared optics, thin-film coatings and optical materials; optical solutions; and integrated circuits for transceivers. The Lasers segment offers UV gas and solid-state lasers; UV optical systems, line beams, and mask-based imaging systems; UV nanosecond lasers; continuous-wave lasers and systems; amplifiers; subsystems and standard systems; IR lasers; crystals and diode lasers, and specialty polishing and coating solutions. The company was formerly known as II-VI Incorporated and changed its name to Coherent Corp. in September 2022. Coherent Corp. was incorporated in 1971 and is headquartered in Saxonburg, Pennsylvania.

Bausch + Lomb Corporation operates as an eye health company in the United States, Puerto Rico, China, France, Japan, Germany, the United Kingdom, Canada, Russia, Spain, Italy, Mexico, Poland, South Korea, and internationally. It operates in three segments: Vision Care, Pharmaceuticals, and Surgical. The Vision Care segment provides contact lens that covers the spectrum of wearing modalities, including daily disposable and frequently replaced contact lenses; and contact lens care products comprising over-the-counter eye drops, eye vitamins, and mineral supplements that address various conditions, such as eye allergies, conjunctivitis, dry eye, and redness relief. Its Pharmaceuticals segment offers proprietary and generic pharmaceutical products for post-operative treatments, as well as for the treatment of glaucoma, eye inflammation, ocular hypertension, dry eyes, and retinal diseases. The Surgical segment provides medical device equipment, consumables, and technologies for the treatment of cataracts, corneal, vitreous, and retinal eye conditions; and intraocular lenses and delivery systems, phacoemulsification equipment, and other surgical instruments and devices for cataract surgery. The company sells its products and services through direct sales forces and independent distributors. Bausch + Lomb Corporation was founded in 1853 and is headquartered in Vaughan, Canada. Bausch + Lomb Corporation operates as a subsidiary of Bausch Health Companies Inc.

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.

Sight Sciences, Inc., an ophthalmic medical device company, engages in the development and commercialization of surgical and nonsurgical technologies for the treatment of eye diseases. It operates through two segments, Surgical Glaucoma and Dry Eye. The company's products include OMNI Surgical System, an implant-free glaucoma surgery technology indicated to reduce intraocular pressure in adult patients with primary open-angle glaucoma; and SION Surgical Instrument, a manually operated device used in ophthalmic surgical procedures to excise trabecular meshwork. It also offers TearCare System, a wearable eyelid technology for adult patients with evaporative dry eye disease due to meibomian gland dysfunction, as well as related components. It offers its products through sales representatives and distributors to hospitals, medical centers, and eyecare professionals in the United States. Sight Sciences, Inc. was incorporated in 2010 and is headquartered in Menlo Park, California.

Precision Optics Corporation, Inc. designs, develops, manufactures, and sells specialized optical and illumination systems and related components primarily in the United States. The company offers medical instrumentation products, including endoscopes and endocouplers, as well as other custom imaging and illumination products, such as Microprecision lenses and micro medical cameras, and 3D endoscopes for use in minimally invasive surgical procedures by hospitals and physicians. It also provides components and assemblies for industrial and military use. It markets its products to medical device companies. Precision Optics Corporation, Inc. was incorporated in 1982 and is based in Gardner, Massachusetts.

IRIDEX Corporation, an ophthalmic medical technology company, provides therapeutic based laser systems, delivery devices, and consumable instrumentation to treat sight-threatening eye diseases in ophthalmology. It offers laser consoles, such as Cyclo G6 laser system for use in the treatment of glaucoma; IQ 532 and IQ 577 laser systems, which are used for the treatment of retinal disorders; and OcuLight TX, OcuLight SL, OcuLight SLx, OcuLight GL, and OcuLight GLx laser photocoagulation systems that are used to treat proliferative diabetic retinopathy, macular holes, retinal tears, and detachments. The company also provides delivery devices, including TxCell scanning laser delivery system that allows the physician to perform multi-spot pattern scanning; slit lamp adapter, which allows the physician to utilize a standard slit lamp in diagnosis and treatment procedures; and laser indirect ophthalmoscope for use in procedures to treat peripheral retinal disorders. It offers MicroPulse P3 Probe, which is used with its Cylco G6 laser system to perform MicroPulse transscleral laser therapy; G-Probe, which is used in procedures to treat uncontrolled glaucoma; G-Probe and G-Probe Illuminate, which are used in procedures to treat refractory glaucoma; and EndoProbe family of products for use in vitrectomy procedures. The company serves ophthalmologists, research and teaching hospitals, government installations, surgical centers, hospitals, veterinary practices, and office clinics. It markets its products through direct and independent sales force in the United States, as well as through independent distributors internationally. The company was formerly known as IRIS Medical Instruments, Inc. and changed its name to IRIDEX Corporation in November 1995. IRIDEX Corporation was incorporated in 1989 and is headquartered in Mountain View, California.