Corneal Ulcer

Medical content revised by - Last revision 09/11/2017
Corneal Ulcer

What is a corneal ulcer?

A corneal ulcer is an open wound on the cornea, the structure that covers the iris and the pupil in a similar way to the crystal covers a watch face. Corneal ulcers are normally caused by eye infections, although extreme eye dryness or other eye disorders may also cause it. When there is a loss of tissue, it is defined as a corneal injury.


What symptoms does it cause?

The symptoms that a corneal ulcer causes include:

  • Eye reddening
  • Intense pain and eye discomfort
  • The sensation of a foreign body in the eye
  • Watery eyes
  • Pus or secretions
  • Blurred vision
  • Sensitivity to the light
  • Swollen eyelids
  • A white stain on the cornea that may or may not be visible when you look in the mirror.

You should see an ophthalmologist immediately if you think that you may have a corneal ulcer or if you experience any type of eye symptom that concerns you. Corneal ulcers may severely and permanently damage vision and, if left untreated, can even cause blindness.

 


Risk factors

You are at greater risk of suffering from corneal ulcers if:

  • You wear contact lenses;
  • You have suffered from mouth ulcers, chicken pox or herpes;
  • You have previously used steroid eye drops;
  • You suffer from eye dryness;
  • You have an eyelid disorder which stops it from working correctly; or
  • You have suffered burns or injuries to the cornea.

If you wear contact lenses, handle and store them with care, and remember to clean them correctly to reduce the risk of corneal ulcers.


How can we treat a corneal ulcer?

The best treatment options include antibiotic, antifungal or antiviral eye drops. In some cases, the ophthalmologist may prescribe antifungal pills. In others, injecting medication into the eye area may be necessary.

Anti-inflammatory drops can also be prescribed once the infection has improved or disappeared to help to reduce swelling and prevent scarring. To reduce pain, the ophthalmologist may prescribe oral medication.

If symptoms change or worsen during treatment, see your ophthalmologist immediately.

When the infection disappears and the ulcer has been cured following treatment with medication, sometimes a noticeable scar remains. It is possible that an ulcer cannot be treated with medication. In these cases, an operation known as a cornea transplant is required to improve vision. In a cornea transplant, the damaged cornea is replaced with a healthy cornea from a donor.

Do you have any questions?

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Clínica Bonanova Surgical Center

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Clinica Bonanova Tests and Treatments

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