Source: National Eye Institute, U.S. National
Institutes of Health. Available online: http://www.nei.nih.gov
Primary Medical Reviewer
Kathleen Romito, MD - Family Medicine
Specialist Medical Reviewer
Carol L. Karp, MD - Ophthalmology
Last Updated
July 7, 2007
WebMD Medical Reference from Healthwise
Last Updated:
July 07, 2007
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