Viral conjunctivitis

Viral conjunctivitis is an inflammation of the conjunctiva (the thin clear tissue that lies over the white part of the eye and lines the inside of the eyelid) caused by a virus. It is often referred to as "pink eye" due to the pink or red color that the eye takes on during the infection.

Causes

Viral conjunctivitis is most commonly caused by adenovirus, a type of virus that is often associated with the common cold. Other viruses that can cause conjunctivitis include herpes simplex virus, varicella-zoster virus, picornavirus, poxvirus, and HIV.

Symptoms

The symptoms of viral conjunctivitis can include redness in the white of the eye or inner eyelid, increased amount of tears, a thick yellow discharge that crusts over the eyelashes, especially after sleep, itchy eyes, blurred vision and increased sensitivity to light.

Diagnosis

The diagnosis of viral conjunctivitis is usually made based on the patient's history and symptoms. A doctor may also take a sample of the discharge from the eye to send to a lab for testing.

Treatment

There is no specific treatment for viral conjunctivitis. Most cases will clear up on their own without treatment in 7 to 14 days. However, some cases may last up to 3 weeks. It is important to avoid touching the eyes and to wash hands frequently to prevent spreading the infection.

Prevention

Prevention of viral conjunctivitis includes frequent hand washing, avoiding touching the face, and avoiding close contact with people who have the infection.

See also

• Bacterial conjunctivitis
• Allergic conjunctivitis
• Keratitis
• Blepharitis

Viral conjunctivitis Resources
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