Facts about Sight
The study of visual illusions (cases when the inference process goes wrong) has yielded much insight into what sort of assumptions the visual system makes.
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Sights of nature can add to one's sense of joy and help people to relate to others.
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The resulting perception is also known as eyesight, visual perception, or vision.
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Sight is the sense of detecting and interpreting visible light information reaching the eyes.
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Lizards rely on vision for survival, and their eyes are well developed. A review of the evidence shows that most lizards can see color better than humans can; some will use color to communicate and make decisions, and some can even see colors in very dim light.