What is corneal inflammation?
Your cornea is the clear layer at the front of your eye. Corneal inflammation is painful irritation of your cornea.
An Inside Look at the Eye
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Corneal inflammation makes your eye red and hurt a lot
Bright light is painful, and your vision may be blurry
Doctors treat corneal inflammation differently depending on the cause
You may need antibiotic eye drops or ointment
Bad corneal inflammation can lead to a sore on the cornea (corneal ulcer Corneal Ulcer Your cornea is the clear layer at the front of your eye. A corneal ulcer is an open sore on your cornea. Corneal ulcers are usually caused by infection The infection may start with an eye injury... read more ), which is an emergency because it can lead to blindness.

What causes corneal inflammation?
Causes of corneal inflammation include:
Eye infections
Chemicals in your eye, including certain eye medicines
Too much ultraviolet light, such as from welding or bright sunlight
Wearing your contact lenses too long or not cleaning them properly
What are the symptoms of corneal inflammation?
Symptoms include:
Red, watery, bloodshot eyes
Pain or a burning, gritty feeling in your eyes
Light hurts your eyes
How can doctors tell if I have corneal inflammation?
Doctors diagnose corneal ulcers by looking at your eyes. They'll do a:
Full eye exam, including checking your vision
How do doctors treat corneal inflammation?
Your treatment depends on what caused the inflammation:
Antibiotic eye drops if you have an infection
Artificial tears or lubricating ointment if you have dry eyes
Sometimes eye drops to dilate your eyes, which relieves pain
Doctors will also have you try to avoid whatever caused the eye inflammation, such as following safety precautions while welding or using chemicals. If you wear contact lenses, doctors will make sure you're using and cleaning them properly.