To provide an image display device capable of carrying out a data reading process in advance on data of a plurality of images in an order according to the likelihood of becoming a display target. There is provided an image display device for displaying on a display device (2) an image in accordance with a position change instruction issued by a user to change a position in an image sequence comprising a plurality of images, the image display device holds information about a display image position which is a position in the image sequence, of an image to be displayed next and determined according to an image being displayed on the display device (2) and the position change instruction; reads, with respect to respective images in a plurality of positions in the image sequence, the positions being determined according to the display image position, data of the respective images from an image data storage unit in an order determined according to content of the position change instruction, the image data storage unit storing data of the plurality of images; and displays an image in accordance with the position change instruction by a user, based on the read image data.