An apparatus for ocular treatment according to the present invention comprises: a beam generation unit for generating a therapeutic beam; a beam transfer unit comprising a first lens part capable of forming an optical path through which the therapeutic beam oscillated from the beam generation unit travels in the ocular fundus, and of varying the focal length so that the beam is transferred in a predetermined spot size in the ocular fundus; and a control unit, connected to the beam transfer unit, for controlling the focal length of the therapeutic beam of the first lens part.