The Ocular Inverter Vitrectomy system (IVS) is designed to work with all Zeiss type (Topcon, Moeller, etc.) microscopes, and Leica (Wild) microscopes. Easy to operate, with steam sterilizable knob. Short profile for use with all fixed and inclinable eyepieces. No light loss in upright mode. Virtually no image shift when switching between upright and inverting modes. Crystal clear optics. Compatible with all wide angle inverting vitrectomy lenses including Volk Rols. IVS sets are available with combinations the following: