Patent ID: 6122101
Filing Date: 2000-09-19
Classification: G02B

Abstract:
A dioptric correction device for correcting diopter for left and right eyes, comprising:left and right display devices, defining a pair of display devices, which display left and right images on their respective display surfaces;a pair of optical systems through which said images are observed; anda display controller which controls said display devices so as to display images having a figure image portion having a first contrast and a background portion having a second contrast, wherein both said figure image portion and said background portion comprise parts of said images, wherein said figure portion includes a common figure image part and an uncommon figure image part, wherein said common and uncommon part are visually perceptible against the background image portion;wherein if said left image was placed over said right image, a part of said figure image portion of said left image which directly overlaps a part of said figure image portion of said right image is defined as said common figure image part, and a part of said figure image portion of either said left or right images which does not overlap a part of said figure image portion of said right or left images, respectively, is defined as said uncommon figure image part.