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Anatomy of the Eye

The eye is a complex organ composed of many small parts, each vital to normal vision. The ability to see clearly depends on how well these parts work together. It is actually an extension of the brain, connected by the optic nerve, which consists of thousands of nerve fibers. These nerves carry visual messages, in the form of nerve impulses, from the retina to the brain, which interprets the impulses as images.

Layers of the Eye

There are three layers of tissue in the walls of the eye. They are: