5. The display apparatus according to claim 1 , further comprising a face recognition unit to recognize a face of the user using the collected image, wherein the controller determines whether the recognized user is a preregistered user and, upon determining that the recognized user is the preregistered user, controls gaze recognition of the user.
5. The display apparatus according to claim 1 , further comprising a face recognition unit to recognize a face of the user using the collected image, wherein the controller determines whether the recognized user is a preregistered user and, upon determining that the recognized user is the preregistered user, controls gaze recognition of the user. 6. The display apparatus according to claim 5 , wherein, in a case in which a plurality of users is recognized, the controller controls gaze recognition of a user having highest priority based on prestored priorities.