Anatomy of the Human Eye

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…and allows for night vision and seeing movement and objects to the side (i.e., peripheral vision). The optic nerve, located behind the retina, transmits signals from the photoreceptor cells to the brain. Each eye transmits signals of a slightly different image, and the images are inverted. Once they reach the brain, they are corrected and combined into one image. This complex process of analyzing data transmitted through the optic nerve is called visual processing.