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Corneal Ulcer

 

A corneal ulcer is an infection of the cornea causing inflammation and injury to the outer layer of the cornea.

Causes

  • Bacteria
  • Virus
  • Fungus
  • Trauma causing tears on the corneal surface
  • Conditions causing dry eye
  • Chemical burns
  • Contact lenses
  • Vitamin A deficiency
  • Protein deficiency

Symptoms

  • Pain
  • Redness
  • Tearing
  • Feeling of foreign body in the eye or grittiness
  • Discharge
  • Light sensitivity
  • Blurred vision
  • Swollen eyelids
  • A white or gray spot on the cornea

Treatment

  • Antibiotics
  • Antifungal agents
  • Antivirals
  • Pain medication
  • Corneal transplant

Prevention

  • Adequately cleaning and disinfecting contact lenses
  • Avoiding lenses when eyes feel irritated
  • Avoiding prolonged usage of contact lenses
  • Wearing glasses to prevent entry of small particles into the eyes