| 摘要 |
A displaying unit displaying an image, a recognizing unit recognizing use history of the displaying unit, and a decision unit deciding a permissible viewing time of the image for a user, based on the use history are provided, and the display of the image by the displaying unit is stopped according to the permissible viewing time. Alternatively, the user is encouraged to finish watching the image according to the permissible viewing time. In a head mount display including a displaying unit and mountable on the head of a user, it is possible to realize a fatigue countermeasure appropriate for a user. |
