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Myopia

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

Updated: June 16, 2007

About.com Health's Disease and Condition content is reviewed by Kate Grossman, MD

Definition: A refractive error commonly known as nearsightedness. In myopia, the eyeball is too long in relation to its focusing power. This causes difficulty in seeing distant objects.
Also Known As: Nearsightedness

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