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The Human Body:
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Introduction to the Human Eye
Eyes enable us to make sense of the world around us to recognize things, people and be alerted or warned of any danger and move about. Sight is actually a complicated process of processing the light rays when it enters the eyes and the subsequent production of the image by the lens of the eye on the retina, the lining at the back of the eye which are sensitive to light. Signals of the brain then allow one to decipher the image that is being projected and send out messages for the person to carry out the necessary actions.
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