Patent ID: 8400371

Claim:
A head mounted display comprising: a display part for displaying images to a wearer, the display part including a two-dimensional display element and an ocular optical system that forms a false image corresponding to a display screen of the two-dimensional display element, wherein the display part controls image data that is displayed on the two-dimensional display element in accordance with a positional relationship between the two-dimensional display element and the wearer, a mounting part which holds the display part and which is mountable on the wearer in a position other than a position in front of the face of the wearer, wherein the mounting part mounts the display part on the head of the wearer so that a position where the false image is formed is substantially in front of an eye of the wearer, a circuit part which displays images on the display screen of the two-dimensional display element, and which is configured to alter a display magnification rate of the images on the display screen, an adjustment mechanism for adjusting a positional relationship between the eve of the wearer and the display part, wherein the adjustment mechanism is disposed in the mounting part, and a measurement unit, which is provided on the display part, for measuring a distance between the eye of the wearer and the display part to acquire data relating to a variation in the distance, wherein the circuit part alters the display magnification rate in accordance with the data acquired by the measurement unit.