Cornea & External Diseases-Chemosis

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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