Haag-Streit Simulation (also known as VRmagic) is a company that provides virtual reality simulators for the training of ophthalmologists, optometrists, and medical students. It offers Eyesi Surgical, a virtual reality simulator for intraocular surgery training; Eyesi Slit Lamp, a diagnostic training system for ophthalmologists and optometrists otoscope; Eyesi Indirect, an augmented reality simulator for training of indirect binocular ophthalmoscope; and other products.