PROBLEM TO BE SOLVED: To secure satisfactory accuracy in attaching each part to an attachment part, and to improve image quality.;SOLUTION: The image display device is provided with a pair of display elements 5 and 5 for displaying images on respective display screens 5a and 5a, a pair of eyepiece windows 3 and 3 arranged facing observer's right and left eyes, a pair of enlarging lenses 4 and 4 arranged between the display element and the eyepiece window so as to enlarge and project the image, and the attachment part 2 for holding the pair of display elements, the pair of eyepiece windows and the pair of enlarging lenses and also which is mounted on the observer's head or face, the optical axes X and X of the pair of enlarging lenses are made parallel to each other, the optical axes of the pair of enlarging lenses are aligned with the centers P and P on the display screens of the pair of display elements, the display screens of the pair of display elements are made parallel to respective incident planes of the pair of eyepiece windows, respective incident planes of the pair of eyepiece windows are separately made perpendicular to the optical axes of the pair of enlarging lenses, and respective exit planes of the pair of eyepiece windows are inclined so as to come close to the incident planes as they come closer to each other.;COPYRIGHT: (C)2004,JPO
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