It is an object to provide technology enabling appropriate control of a change of a parameter per operation unit. A display control apparatus is a display control apparatus to control a display apparatus, and includes: an acquisition unit to acquire a change operation to change a parameter used for an image displayed by the display apparatus from a user, and acquire a gaze of the user; and a controller to control a change of the parameter per operation unit being a unit of the change operation based on a result of gaze determination to determine whether the gaze is directed toward the image displayed by the display apparatus.