An electronic device comprising: a line-of-sight detection unit configured to receive line-of-sight input from a user and detect a viewed position of the user; an acquisition unit configured to acquire first distance information that corresponds to a distance to an eye of the user; and a control unit configured to 1) set determination time based on the first distance information, and 2) determine that gaze has occurred, in a case where determination is made that the viewed position does not continuously change longer than the determination time.