Medical apparatus for measuring the eyes; eye implants, in particular lenses, clamping rings, clamping bands, support rings, support bands, irises, sensors, stents, balloons, keratoprostheses, medical drainage systems (included in this class), retinal implants; lacrimal pathway inserts and lacrimal pathway implants for closing and keeping open the lacrimal channel; surgical and medical apparatus and instruments; application instruments and accessories (included in this class), for the implantation and/or application of implants and/or inserts for eyes, in particular pincers, scalpels, injectors, cartridges, manipulating hooks.