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2. Seeing: Hacks 13–33 > 14. See the Limits of Your Vision

See the Limits of Your Vision

The high-resolution portion of your vision is only the size of your thumbnail at arm’s length. The rest of your visual input is low res and mostly colorless, although you seldom realize it.

Your vision isn’t of uniform resolution. What we generally think of as our visual ability, the sharpness with which we see the world, is really only the very center of vision, where resolution is at its highest. From this high-resolution center, the lower-resolution periphery, and using continual movements of our head and eyes [To See, Act], we construct a seamless—and uniformly sharp—picture of the universe. But how much are we compensating? What is the resolution of vision?


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