A contact lens, according to the present invention, comprises: a housing having a light-incident part on which a therapeutic beam oscillated from a beam generation part is incident, and a light-emitting part for guiding the therapeutic beam incident from the light-incident part to an eyeball； a first sensing part arranged between the light-incident part and the light-emitting part so as to sense the reaction occurring in a healing site of the eyeball on which the therapeutic beam is irradiated； and a second sensing part arranged in a region of the light-emitting part spaced from the first sensing part so as to sense whether contact has been made with the eyeball.
