Conjunctivitis - Definition

Conjunctivitis (pronounced kuhn-junk-tuh-VIE-tis) is an inflammation (redness) of the conjunctiva. The conjunctiva is the membrane that lines the white part of the eye and the underside of the eyelid. Conjunctivitis can be caused by infection, an allergic reaction, or a physical agent, such as infrared or ultraviolet light. Conjunctivitis is often referred to as pink eye because the infection causes the eye to become very bloodshot.

Herpes virus:
A group of viruses that cause many different infections in the human body, including cold sores and infections of the genital area.

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