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You are here : 3-RX.com > Medical Encyclopedia > Diseases and Conditions > Corneal Ulcers
      Category : Health Centers > Eyes and Vision

Corneal Ulcers

Alternate Names : Keratitis

Overview, Causes, & Risk Factors | Symptoms & Signs | Diagnosis & Tests | Prevention & Expectations | Treatment & Monitoring

A corneal ulcer is a lesion on the cornea that is usually caused by an infection. The cornea is the clear window on the front of the eye that covers the colored iris and pupil.

What is going on in the body?

Corneal ulcers generally form when the cornea is damaged in some way. The break in the cornea allows organisms to enter and cause an infection. The organisms may be a type of bacteria, virus, or fungus. Allergies or other eye conditions may also cause corneal ulcers.

What are the causes and risks of the infection?

Herpes simplex infection is the most common cause of corneal ulcers in the United States. The virus that causes chickenpox and shingles can also cause corneal ulcers. Many times, bacterial or fungal infections lead to corneal ulcers.

Other causes of corneal ulcers include:

  • allergies
  • conjunctivitis, an inflammation of the clear covering of the white of the eye
  • contact lenses


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    Corneal Ulcers: Symptoms & Signs

    Author: William Stevens, MD
    Reviewer: Eileen McLaughlin, RN, BSN
    Date Reviewed: 09/14/01

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