Abstract
The visual system is the part of the central nervous system that gives organisms the ability to process visual details and enables the formation of several non-image photo response functions. It detects and explains information from visible by the light to build a representation of the surrounding environment. One reason why the visual system is so important is that it enables us to perceive information at a distance. We need not be in immediate contact with a stimulus to process it. We must experiment with visual equipment to understand how we process visual information. This article summarizes current visual system equipment and how this equipment can be used to determine how the visual system functions.
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