If you go blind in one eye, you'll only lose about one-fifth of your vision (but all your depth perception).

如果你一只眼失明，你只会失去约五分之一的视力(但会失去全部的深度知觉)。

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So how can just one eye provide depth perception?

所以为什么一只眼睛就可以提供深度感呢？

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Depth- Draw the viewers eye in and back through an image.

景深- 通过图像抓住别人的眼睛.

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When each eye sees very similar, but different versions of an image, the brain thinks it is seeing depth, or three dimensions.

VOA: special.2010.01.26

Techradar runs this story on its application for a patent for eye tracking to create 3D depth, an area Samsung is also pursuing through its relationship with the Russian Academy of Science.

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