Retina
The retina is the internal layer of the eye that receives and transmits focused images. The retina is normally red due to its rich blood supply.
Update Date: 9/16/2008 Updated by: Daniel B. Hoch, PhD, MD, Assistant Professor of Neurology, Harvard Medical School, Department of Neurology, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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