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Johnson & Johnson makes medicines and medical devices. Its medicines business covers oncology, immunology, neuroscience and cardiopulmonary, and its MedTech business covers cardiovascular, orthopaedics, surgery and vision.

Baxter makes a broad range of healthcare products, including IV solutions, infusion systems, parenteral nutrition, inhaled anesthetics, generic injectable drugs, surgical hemostats and sealants, smart beds, patient monitoring and respiratory health devices.

CooperCompanies is a medical device company with two business units. CooperVision makes contact lenses, and CooperSurgical focuses on fertility and women's healthcare.

OVERVIEW Lumenis is a world leader in the design, manufacture, marketing and servicing of laser and light based systems for aesthetic, ophthalmic, surgical and dental applications.

ZEISS makes optical products across semiconductor manufacturing, industrial quality and research, medical technology and consumer markets. Its medical customers include clinics and ophthalmologists, and it was founded by Carl Zeiss in 1846.

Glaukos is an ophthalmic company that develops therapies for glaucoma, corneal disorders and retinal diseases.

Alcon makes eye care products in two businesses. Its Surgical business supplies devices and intraocular lenses for cataract, retinal and refractive surgery, and its Vision Care business makes contact lenses, lens care and ocular health products for dry eye and allergies.

Biotissues makes human birth tissue products for regenerative healing, including Prokera, AmnioGraft, CAM360 AmnioGraft and AmnioGuard, for use in the office and the operating room.

Sight Sciences makes interventional eyecare technologies for eyecare providers, including the OMNI Surgical System and SION for glaucoma and the TearCare system for dry eye disease.