An image display device includes a display device configured to modulate light to form an image, a light transmitting unit that transmits the image formed by the display device to eyes of a viewer and includes a focusing member, a driving unit that applies a driving force to a central position of the display device in a direction to change a distance between the display device and the light transmitting unit in the direction, a processor configured to control the display device, a connector disposed between one end of the display device and the processor, the connector connecting the display device to the processor, and a tilt prevention unit that applies an elastic force in the direction to the one end of the display device and to another end of the display device opposite to the one end.