A corneal ulcer is an open sore or defect in the cornea of the eye. The cornea is the clear layer in front of the eye.
A corneal ulcer often appears as a gray to white opaque or translucent area on the cornea. Some corneal ulcers may be too small to see without magnification. Signs and symptoms of a corneal ulcer include
- blurred vision,
- sensitivity to light,
- vision loss,
- a feeling of something in the eye, or
- redness of the eye.
Other associated symptoms and signs can include watery eyes or eye pain. Corneal ulcers can become a serious problem that can lead to blindness and should be immediately treated.
Causes of a corneal ulcer
Corneal ulcers have a variety of causes, including infection, physical and chemical irritation or trauma, corneal drying and exposure to the elements, and contact lens misuse.
Other corneal ulcer symptoms and signs
- Blurred Vision
- Eye Pain
- Feeling of Something in the Eye
- Gray to White Opaque or Translucent Area on the Cornea
- Redness of the Eye
- Sensitivity to Light
- Vision Loss
- Watery Eyes
Main Article on Corneal Ulcer Symptoms and Signs

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