Carl Zeiss Meditec is a holding company. Co.'s businesses are focused on two primary areas: Ophthalmology and Microsurgery. In Ophthalmology, Co.'s operations are divided in to two strategic business units: Ophthalmic Systems, which includes a range of laser and diagnostic systems for ophthalmology; and Surgical Ophthalmology, which consists of activities in the field of ophthalmic implants and consumables. In Microsurgery, Co. provides surgical microscopes and visualization solutions, e. g. for ear, nose and throat surgery, or neurosurgery. These products are mainly used to assist with the removal of tumors, as well as the treatment of vascular diseases and functional disorders.