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Staphyloma

A staphyloma is the term given to an eye whose sclero-uveal coats are stretched (also known as ectasia). This most commonly occurs posteriorly, athough anterior staphyloma also is recognised.

Posterior staphyloma
  • progressive myopia (or mega myope) most common cause.
  • glaucoma
  • scleritis
  • necrotizing infection
  • surgery / trauma
  • radiotherapy
Anterior staphyloma

Seen seconday to inflammation or infection of the sclero-corneal lining of the eye. 

Radiographic features

  • increased eye size
  • focal deformity (not as marked as coloboma) : usually posterior
  • non-enhancing uveo-sclera

Differential diagnosis

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