Anatomy and Physiology of the Eye
Eye Anatomy Facts
Vision is by far the most used of the five senses and is one of the primary means that we use to gather information from our surroundings. More than 75% of the information we receive about the world around us consists of visual information.
The eye is often compared to a camera. Each gathers light and then transforms that light into a "picture." Both also have lenses to focus the incoming light. Just as a camera focuses light onto the film to create a picture, the eye focuses light onto a specialized layer of cells, called the retina, to produce an image.
Parts of the eye. Although the eye is small, only about 1 inch in diameter, each part plays an important role in allowing people to see the world.
Anatomy of the eye. The eye is surrounded by the orbital bones and is cushioned by pads of fat within the orbital socket. Extraocular muscles help move the eye in different directions. Nerve signals that contain visual information are transmitted through the optic nerve to the brain.
Medically Reviewed by a Doctor on 4/7/2016
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