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Localized bulging of the sclera.
Synonym(s): scleral ectasia
[scler- + G. ektasis, an extension]
A bulging and thinning of the sclera, due to disease, trauma, atrophy or raised intraocular pressure. It may be total as in buphthalmos, or partial as in staphyloma. Syn. sclerectasia.