Free-Vision Fusion (Cross-eyed method) @Xt *Snd
This technique has the advantage of not requiring special viewing equipment. Fusion is the term used for the process for visually merging the left-eye image and the right-eye image into a single 3-dimensional image. When using a viewer, most of the work of achieving the needed abnormal convergence for stereo viewing is done by the optics and design of the stereo viewer. PC~Y8,A|.t
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Free-vision fusion requires patience and practice because your willpower and eyes must do the work of the stereo viewer. You must be able to focus where your eyes aren't looking. |?! ~{ -o
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Place the image in Figure 1 in the center of your screen. :*I# n
Sit at your normal distance. p2#)A"
Slowly cross your eyes. You will see a double image, or four dots. ( l\1n;s*B
Continue to cross until the middle two images overlap. n`#tKwWHYx
Adjust focus on middle image, keeping the two images overlapped. yMG1XEhuG
You should see the blue circle floating above the black circle.
