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Cornea & External Diseases




















Non Infectious
Severe chemosis was observed one day post scleral buckle implantation surgery. The patient experienced symptoms of severe irritation, discharge and blurry vision.

  • Sweeling of bulbar or tarsal conjunctiva.
  • Usually associated with various ocular conditions:
    • Allergic conjunctivitis
    • Conjunctival infection
    • Conjuntival irritation
    • Tissue congestion caused by retrobulbar masses or thyroid orbitopathy
  • Clinical features:
    • Symptoms:
      • Tearing
      • Blurry vision
      • Irritation or itching such as in allergic conjunctivitis
      • Diplopia
      • Sometimes asymptomatic
    • Signs:
      • No to severe conjunctival injections
      • Localized or diffuse swelling
      • Incomplete lids closure
      • May cause adjacent corneal changes:
        • Superficial punctuate keratitis
        • Exposure keratitis
        • Dellen formation
  • Management:
    • Treatment of underlying condition or disease.
    • Surface lubrication.

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