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Cornea & External Diseases

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Degenerations
Salzmann's Nodular Degeneration

  • May develop from previous ocular inflammatory conditions such as following corneal surgery, interstitial keratitis, trachoma and contact lens wear.
  • Clinical features:
    • Symptoms: usually asymptomatic, but may cause decreased vision if located centrally
    • Signs:
      • Noninflammatory
      • Superficial, elevated multiple bluish-white nodules
      • Located at corneal mid-periphery
      • May increase in number, elevation and size
  • Management:
    • Observation
    • Simple excision of the lesion
    • Excimer laser phototherapeutic keratectomy

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