Head mount display

A see-through-type head mount display comprising:

• a display unit which is configured to project an image light corresponding to display information on an eye of a viewer thus allowing the viewer to visually recognize an image corresponding to the image light while allowing an external light to pass therethrough;
• an imaging unit which is configured to photograph at least a portion of a visual field range of the viewer;
• an identifying object detection unit which is configured to detect identifying objects within an imaging region formed by the imaging unit;
• an associated information memory unit which is configured to store associated information associated with the respective identifying objects;
• a distribution state determination unit which is configured to determine a distribution state of the identifying objects within the imaging region which are detected by the identifying object detection unit;
• a display mode decision unit which is configured to decide a display mode of the associated information associated with the respective identifying objects corresponding to the distribution state of the identifying objects determined by the distribution state determination unit;
• and
• a display control unit which is configured to perform a control in which the associated information associated with the identifying objects are displayed by the display unit in association with the identifying objects viewable by the viewer through the display unit in the display mode decided by the display mode decision unit.