To fully understand colorblindness you must first understand the eye. The human eye is one of the most complex parts of the body that is used for seeing. Eyes enable people to perform daily tasks and to learn about the world that surrounds them. Sight, or vision, is a fast process that involves continuous interaction between the eye, the nervous system, and the brain. When someone looks at an object, what he really sees is …
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showed last 75 words of 2180 total
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