An injector for ejecting an intraocular lens into an eye, comprisesa longitudinal injector body, in which an injector piston rod can be guided in an axially displaceable manner,an injector nozzle at a front end of the injector body, in the direction of which the injector piston rod can be displaced,a displacement mechanism for pushing the injector piston rod forwards, andan actuating element for the manual actuation of the displacement mechanism.Thedisplacement mechanism includes a transmission mechanism, by means of which the actuating element and the injector piston rod can be placed in an articulated driving connection, andan operating region for the actuation of the actuating element is formed at a longitudinal side of the injector body.