Provided is a surgical tool for ophthalmology that includes a nozzle portion capable of sucking a liquid, in which the nozzle portion includes an inner tube which is provided with an inner through-hole allowing the liquid to pass therethrough and an outer tube which accommodates the inner tube and is provided with an outer through-hole allowing the liquid to pass therethrough, in which the outer tube and the inner tube are disposed to be relatively movable, and in which the outer through-hole and the inner through-hole are disposed so that an overlapping region is changeable by the relative movement of the outer tube and the inner tube.