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Lens

By Troy Bedinghaus, O.D., About.com

Created: May 25, 2009

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

Definition: A transparent structure in the eye that is suspended immediately behind the iris which brings rays of light to a focus on the retina. The crystalline lens is the name given to the natural lens that humans are born with.
Also Known As: Crystalline lens
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