Different viewing mechanisms are used for left and right eyes. One of the eyes is presented with an image from a single image source that occupies the entire field of view of the eye. The view presented by this first image source is a wide field of view with a relatively low resolution. A second image...http://www.google.com.tw/patents/US6222675?utm_source=gb-gplus-share專利 US6222675 - Area of interest head-mounted display using low resolution, wide angle; high resolution, narrow angle; and see-through views