Your cornea is the clear layer at the front of your eye.
An ulcer is a deep sore. So, a corneal ulcer is a deep sore on your cornea.
Corneal ulcers are usually caused by infection
The infection may start with an eye injury or scratch, irritation from a contact lens, or certain eye diseases
You may have eye pain, tears, sensitivity to light, and red, bloodshot eyes
Doctors usually treat corneal ulcers with antibiotic eye drops
Sometimes after a corneal ulcer heals, your cornea has a cloudy scar that affects your vision
See a doctor right away if you think you have a corneal ulcer because it can lead to blindness.
Most corneal ulcers are caused by:
Many different bacteria, viruses, and parasites can be involved.
Usually, you also have an eye problem that makes infection more likely, for example:
Usually, a corneal ulcer develops in only one eye.
Symptoms of a corneal ulcer include:
If a corneal ulcer isn't treated, it can go deeper, and the infection can damage other parts of your eye.
Sometimes you have a scar after a corneal ulcer heals. The scar can affect your vision.
A corneal ulcer can lead to blindness, so it is important to see a doctor right away if you think you may have a corneal ulcer.
Doctors will treat you right away with:
You may need to use the antibiotic eye drops every hour or two at first.
Rarely, if a scar affects your vision, doctors may do a corneal transplant (an operation to take out your cloudy cornea and replace it with a healthy, clear one).