The Vision Revolution: How the Latest Research Overturns Everything We Thought We Knew About Human Vision by Mark Changizi

Author:Mark Changizi
Language: eng
Format: mobi, pdf
ISBN: 9781935251217
Publisher: BenBella Books, Inc.
Published: 2010-06-07T22:00:00+00:00

Seeing behind ourselves is a worthy goal, and some technological progress may be possible along the lines I just mentioned, but we have to realize that our brains are not enthusiastic about the idea. They’re ready and willing for a better view up front, however, so another tack to improve our vision is to give the brain what it wants and let the brain’s X-ray power do its magic.

One way to do this is to respond to the enlarged “leaves” of our modern world by enlarging ourselves, especially the distance between our eyes. Imagine evolving long eye stalks, like those shown in Figure 21b. Unlike with sideways-facing eyes, we can easily use technology to give us wide eyes. We just need to place forward-facing cameras out on either side of our heads and feed the images to our two eyes via binocular goggles of some sort. This is similar to the eyes-on-stalks in Figures 8 and 9 much earlier in the chapter, but the point here is not to see through our appendages or ourselves, but to be able to use our X-ray vision power to see through more of the modern world. As I discussed then, handling these kinds of wide-eyed inputs is trivial for the brain, because as far as the brain is concerned, the inputs are coming from its regular eyes. The only consequence is that the brain would at first consider the world to be physically smaller than it actually is; a car might appear to be a toy at first (i.e., you would at first think there was a toy car only centimeters out in front of your face, rather than a real car meters out in front of you). But you’d quickly adjust to that. Figure 22 shows a simple case in which eyes separated by a distance as wide as a building would be able to see through something as large as a sailboat.

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