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
Myopia
By Troy Bedinghaus, O.D., About.com Guide
Updated January 15, 2009
About.com Health's Disease and Condition content is reviewed by the Medical Review Board
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