Staphyloma
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Staphyloma is the term given to an eye whose sclero-uveal coats are stretched (aka ectasia). This most commonly occurs posteriorly, athough anterior staphyloma also is recognised.
Posterior staphyloma
- progressive myopia (aka 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 appearance
- increased eye size
- focal deformity (not as marked as coloboma) - usually posterior
- non-enhancing uveo-sclera
Differential diagnosis
- buphthalmos (congenital glaucoma)
- axial myopia
- macrophthalmus
- coloboma
- macrophthalmus (seen in NF1)

