|Researchers from University of Rochester show that small eye movements, humans aren’t even aware of making, play a large role in humans’ visual acuity. Unlike a stationary camera that takes a fixed photograph of the world, human eyes are constantly moving, taking in new pieces of a visual scene and continually changing the visual input to the retina. A researcher said that, “Humans are normally not aware that their eyes are always in motion, even when attempting to maintain a steady gaze on a point”. These gaze shifts, known as fixational eye movements, were once thought to be inconsequential because they are so small. University of Rochester is a NYSERNet member.
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