The present invention relates to a method and an apparatus for acquiring information by capturing an eye or an area around an eye. A wearable electronic device according to various embodiments of the present invention may comprise: a light source; at least one lens; an optical surface disposed on a first side of the at least one lens; and a camera for receiving, through the at least one lens and the optical surface, light output from the light source and scattered by a subject located on a second side of the at least one lens.