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Why are my eyes red?
(HealthDay News) -- Eye redness occurs when blood vessels on the surface of the eye become dilated.
Here are some common causes of red eyes:
- straining the eyes
- rersistent or severe coughing
- an eye infection
- a cold or allergy
- damage to the eye
- acute glaucoma
- scratches on the cornea, commonly caused by wearing contact lenses too long, or sand or dust in the eyes
- bleeding problems, often caused by taking blood-thinning drugs.
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Source: U.S. National Library of Medicine
Copyright: © 2007 ScoutNews, LLC. All rights reserved.
First published: 08/20/2007
Last updated: 08/20/2007
Reviewed by: HealthDay, a service of ScoutNews, LLC