The device (1) has container (9) that contains fluid (5), and connected to surgical handpiece for discharging the fluid in order to rinse an eye (3) on which operation is to be performed. A control system adjusts height (H) of stand (8) carrying container and surgical handpiece, in order to discharge fluid into eye at defined irrigation pressure. A pressurizing unit (10) applies atmospheric overpressure to fluid discharged from container. The control system adjusting height of stand is designed to adjust irrigation pressure and atmospheric overpressure applied to fluid. An independent claim is included for a method for controlling the device for use in eye surgery.
