Visual system lets people collect and process information from the environment. See action beginning when a lens of the eye to adjust to acquire images of the surrounding landscape into a stylus nets located behind the eye (the retina). In essence, the retina is the part of the brain is separate, works as a converters to convert the light patterns into nerve signals. The retina contains cells responsive to stimuli is light. They detect Photonic stimulation and respond by birth pulses/nerve signals. These signals are processed in a first class structure is composed of different parts of the brain from the retina to the curve in the minutes, to the primary and secondary cortex.
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