When an infection of the cornea occurs, it is almost always a virus that is responsible, usually, adenovirus or herpes simplex, the virus that also produces cold sores around the mouth. If you have a cold sore, never put your fingers to your eyes after touching your mouth. Both are very contagious. If you suspect you may have keratitis see your doctor immediately. Bacterial infections may also produce keratititis. Your Today's Vision optometrist will diagnose the condition and prescribe the appropriate treatment.

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