The invention relates to an ophthalmosurgical system (1), comprising: a first irrigation fluid source (2) - a first irrigation fluid line (4), which is connected to the first irrigation fluid source (2) at a first end (5) and is open at the other end (8), - an aspiration fluid line (11), by means of which fluid can be removed from the ocular lens (9), - a suction pump (12 30), to which the aspiration fluid line is connected, a second irrigation fluid source (20, 40), to which a second irrigation fluid line (22) is connected, which is connected to the first irrigation fluid line (4) at a coupling site (23), - a first valve (24), which is disposed between the first end (5) of the first irrigation fluid line (4) and the coupling site (23), and a second valve (25), which is disposed between the second irrigation fluid source (20 40) and the coupling site (23). WO2009112251A1
