Monday, May 28, 2012
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Allergic Conjunctivitis Learning Center

Causes could include:
When your eyes are exposed to anything to which you are allergic, histamine is released and the blood vessels in the conjunctiva become swollen (the conjunctiva is the clear membrane that covers the "white" of the eye). Reddening of the eyes devel...
Source:ADAM
Date:August 22, 2008
An allergen is a substance that can cause an allergic reaction. Allergens are substances that, in some people, the immune system recognizes as "foreign" or "dangerous" but cause no response for most people.
Source:ADAM
Date:February 19, 2009
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