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Corneal Ulcer


A corneal ulcer is an open sore on the cornea, usually caused by an infection. It can result from bacterial, viral, fungal, or parasitic infections, as well as from physical trauma, contact lens misuse, or underlying eye conditions. Corneal ulcers are a medical emergency, as they can cause severe pain, vision loss, and scarring if not treated promptly.

  • Causes: The most common cause of corneal ulcers is a bacterial infection, especially in contact lens wearers who fail to properly disinfect or replace their lenses. Other causes include viral infections (e.g., herpes simplex virus), fungal infections, and physical trauma to the eye. Dry eyes, exposure to harmful chemicals, or underlying conditions like autoimmune diseases can also increase the risk.
  • Causes: The most common cause of corneal ulcers is a bacterial infection, especially in contact lens wearers who fail to properly disinfect or replace their lenses. Other causes include viral infections (e.g., herpes simplex virus), fungal infections, and physical trauma to the eye. Dry eyes, exposure to harmful chemicals, or underlying conditions like autoimmune diseases can also increase the risk.
  • Treatment: Treatment for corneal ulcers involves addressing the underlying cause. Bacterial ulcers are treated with antibiotic eye drops, while viral or fungal ulcers require antiviral or antifungal medications. In cases of severe infection or damage, more intensive treatments like corneal transplantation may be necessary. Prompt treatment is critical to prevent permanent vision loss or complications.

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