| 释义 |
staphyloma
staphyloma (ˌstæfɪˈləʊmə) na condition in which the sclera or cornea of the eye projects outwards due to inflammationTranslationsstaphyloma
staphyloma [staf″ĭ-lo´mah] protrusion of the sclera or cornea, usually lined with uveal tissue, due to inflammation.anterior staphyloma staphyloma in the anterior part of the eye.corneal staphyloma 1. bulging of the cornea with adherent uveal tissue.2. one formed by protrusion of the iris through a corneal wound.posterior staphyloma (staphyloma posti´cum) backward bulging of sclera at the posterior pole of the eye.scleral staphyloma protrusion of the contents of the eyeball where the sclera has become thinned.staph·y·lo·ma (staf'i-lō'mă), A bulging of the cornea or sclera containing uveal tissue. [staphylo- + G. -ōma, tumor] staph·y·lo·ma (staf'i-lō'mă) A bulging of the cornea or sclera containing uveal tissue. [staphylo- + G. -ōma, tumor]staphyloma A bulging of the cornea or sclera due to injury, inflammation, glaucoma or pathological myopia, and containing adherent uveal tissue. Staphylomas can occur anywhere within the eye and they are then referred to as anterior, ciliary (a scleral staphyloma which is partly overlaid by prolapsed tissue of the ciliary body), or posterior staphyloma (most often associated with degenerative myopia). If only the cornea or sclera stretches without uveal tissue, the condition is called ectasia. See corneal ectasia.
anterior staphyloma A congenital disease characterized by an opacity of one or both corneas, which become protuberant, often with adherent iris tissue. It is possibly due to a faulty embryonic development or intrauterine inflammation. Syn. keractectasia (if there is no uveal lining). |