Abstract: The present invention concerns a probe for treating an ocular pathology, comprising: o a ring (1) including a cone frustum (11) having a first end (111) suitable for supporting ultrasound generation means (2) and a second end (112) for coming into contact with an eye (4) of a patient, o ultrasound generation means (2) comprising a first base (211) intended to come to face the first end (111), and a second base (212) opposite the first base (211), remarkable in that the probe further comprises a flow regulator (3) for eliminating the bubbles contained in a coupling fluid flowing to the first base (211) when filling the probe with said fluid.