Image display apparatus capable of multi-depth expression

An augmented reality apparatus comprising:

• a display device configured to modulate light to form an image;
• a light transmitter comprising a focusing member, the light transmitter being configured to change a direction of the light from the display device incident on the light transmitter toward an observer's eye and to transmit light regarding a real environment of the front of the observer;
• a driver configured to provide a driving force to the display device to adjust a position of the display device disposed between the driver and the light transmitter, and
• a processor configured to generate a driving signal according to image information and control the driver according to the driving signal, to adjust the position of the display device relative to the focusing member according to the driving signal.