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Retina

By Mark Stibich, Ph.D., About.com

Updated: June 04, 2007

About.com Health's Disease and Condition content is reviewed by our Medical Review Board

the Retina

the Retina

ADAM
Definition: The retina is a layer of tissue at the back of the eye. The retina is sensitive to light. When light enters the eye, the retina converts the light into signals. These signals are sent through the optic nerve to the brain to produce vision. Problems and disorders of the retina include:

Sources:

ADAM Medical Encyclopedia.Retina.

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