A staphyloma is the term given to an eye whose sclero-uveal coats are stretched (also known as ectasia). This most commonly occurs posteriorly, although anterior staphyloma also is recognised.As opposed to coloboma,staphyloma defect is located off-center from the optic disc, typically temporal to the disc3.
It is an acquired defect secondary to weakness and thinning of the scleraluveal coats3.
Patients often present with severe axial myopia3.
- progressive myopia (or mega myope) most common cause.
- necrotizing infection
- surgery / trauma
Seen seconday to inflammation or infection of the sclero-corneal lining of the eye.
- increased eye size
- focal deformity (not as marked as coloboma) : usually posterior
- non-enhancing uveo-sclera
- 1. Mafee MF, Valvassori GE, Becker M. Imaging of the head and neck. George Thieme Verlag. (2004) ISBN:1588900096. Read it at Google Books - Find it at Amazon
- 2. Osborne DR, Foulks GN. Computed tomographic analysis of deformity and dimensional changes in the eyeball. Radiology. 1984;153 (3): 669-74. Radiology (abstract) - Pubmed citation
- 3.Haaga JR, Boll D. CT and MRI of the whole body. Mosby. (2009) ISBN:0323053750. Read it at Google Books - Find it at Amazon