Carl Zeiss Meditec AG is a medical technology company based in Jena, Germany, operating in Germany, Europe, North America, and Asia. It has two segments: Ophthalmology and Microsurgery. The Ophthalmology segment provides diagnostic and treatment products for chronic eye diseases, including slit lamps, refractometers, tonometers, optical coherence tomography and fundus cameras, perimeters, surgical microscopes, biometers, phacoemulsification and vitrectomy equipment, intraocular lenses, and laser eye surgery systems such as the VISUMAX femtosecond laser, along with digital products for clinical data. The Microsurgery segment offers minimally invasive surgical solutions, including surgical visualization, interoperative radiotherapy and pathology, special surgical instruments, digital solutions, and the ZEISS Tumor Workflow. The company serves physicians and hospitals and has a strategic collaboration with Envision Health Technologies Inc. for glaucoma care using gamified virtual reality. Founded in 1846, it is a subsidiary of ZEISS Group.