Abstract: The implant (10) is attachable to an eye (200). The implant (10) includes a tube section (1) and a throttle section (2). A flow path (11) for aqueous humor lies inside the tube section (1). The throttle section (2) is arranged in the flow path (11). The tube section (1) has a first opening section (12) and a second opening section (13). The first opening section (12) allows communication between the flow path (11) and the outside (1c) of the tube section (1). The second opening section (13) allows communication between the flow path (11) and the outside (1c) of the tube section (1). The throttle section (2) includes a wall section (21) arranged in the flow path (11) and a bore section (22) penetrating the wall section (21).