How do you know if you have damaged your cornea?
Emma Payne
Updated on February 21, 2026
Scratched cornea symptoms might include significant discomfort, red eyes, tearing, blurry vision and sensitivity to light. Anything that makes contact with the surface of the eye can cause a corneal abrasion.
Can damaged cornea repair itself?
The cornea can recover from minor injuries on its own. If it is scratched, healthy cells slide over quickly and patch the injury before it causes infection or affects vision. But if a scratch causes a deep injury to the cornea, it will take longer to heal.What happens if you damage your corneas?
If your cornea is damaged by disease, infection, or an injury, the resulting scars can affect your vision. They might block or distort light as it enters your eye.How do you heal a damaged cornea?
Immediate steps you can take for a corneal abrasion are to:
- Rinse your eye with clean water or a saline solution. You can use an eyecup or a small, clean drinking glass positioned with its rim resting on the bone at the base of your eye socket. ...
- Blink several times. ...
- Pull the upper eyelid over the lower eyelid.
What does scratched cornea feel like?
Symptoms of corneal abrasionsThe cornea is very sensitive, so a corneal abrasion is usually quite painful. You may feel like you have sand or grit in your eye. You may notice tears or blurred vision, or your eye may look red. You may also notice that light hurts your eye.
Symptoms and Treatments for Scratched Eye (Corneal Abrasion)
Do I have a scratched cornea?
Scratched cornea symptoms might include significant discomfort, red eyes, tearing, blurry vision and sensitivity to light. Anything that makes contact with the surface of the eye can cause a corneal abrasion.How long does a cornea take to heal?
Most abrasions heal in two to three days, while larger abrasions that involve more than one half of the surface area of the cornea may take four to five days. In patients with traumatic corneal abrasions who are treated in ophthalmology offices, 28 percent had recurrent symptoms up to three months after the injury.What does corneal swelling feel like?
Symptoms of Corneal EdemaEye pain or discomfort in light. Pain or tenderness when you touch your eye. A scratchy feeling in your eye. Hazy circles, or “halos,” around lights.