| sclera | <anatomy> The tough white outer coat of the eyeball, covering approximately the posterior five sixths of its surface and continuous anteriorly with the cornea and posteriorly with the external sheath of the optic nerve. Origin: L., Gr. Skleros = hard (18 Nov 1997) |
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| scleradenitis | Inflammatory induration of a gland. Origin: scler-+ G. Aden, gland, + -itis, inflammation (05 Mar 2000) |
| scleral | Relating to the sclera. Synonym: sclerotic. (05 Mar 2000) |
| scleral buckling | An operation for retinal detachment which reduces the size of the globe by indenting the sclera so that it approximates the retina. (12 Dec 1998) |
| scleral buckling operation | An operation performed in retinal detachment to indent the sclerochoroidal wall. (05 Mar 2000) |
| scleral diseases | General disorders of the sclera or white of the eye. They may include anatomic, embryologic, degenerative, or pigmentation defects. (12 Dec 1998) |
| scleral ectasia | Localised bulging of the sclera. Synonym: scleral ectasia. Origin: scler-+ G. Ektasis, an extension (05 Mar 2000) |
| scleral resection | Shortening of the outer coat of the eye in retinal separation. (05 Mar 2000) |
| scleral rigidity | The resistance of the eye to changes in shape with changes in intraocular pressure. (05 Mar 2000) |
| scleral ring | The appearance of the sclera adjacent to the optic disk when the retinal pigment epithelium does not extend to the optic nerve. (05 Mar 2000) |
| scleral roll | A ridge of the sclera at the internal scleral sulcus from which ciliary muscle fibres take origin. Synonym: scleral roll. Vascular spur, partial septum between vessels (arteries and veins) at the level of fusion or branching at acute angle. See: calcar. (05 Mar 2000) |
| scleral spur | A ridge of the sclera at the internal scleral sulcus from which ciliary muscle fibres take origin. Synonym: scleral roll. Vascular spur, partial septum between vessels (arteries and veins) at the level of fusion or branching at acute angle. See: calcar. (05 Mar 2000) |
| scleral staphyloma | A staphyloma occurring in the area of exit of the vortex veins. Synonym: scleral staphyloma. (05 Mar 2000) |
| scleral sulcus | A slight groove on the external surface of the eyeball indicating the line of union of the sclera and cornea or limbus of cornea. Synonym: sulcus sclerae, sulcus of sclera. (05 Mar 2000) |
| scleral veins | Small veins draining the sclera; they are tributaries to the anterior ciliary veins. Synonym: venae sclerales. (05 Mar 2000) |
| blue sclera | (05 Mar 2000) |
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| venous sinus of sclera | sinus venosus sclerae |
| perforated layer of sclera | The portion of the sclera through which pass the fibres of the optic nerve. Synonym: cribrous lamina, perforated layer of sclera. (05 Mar 2000) |
| sulcus of sclera | A slight groove on the external surface of the eyeball indicating the line of union of the sclera and cornea or limbus of cornea. Synonym: sulcus sclerae, sulcus of sclera. (05 Mar 2000) |
| lamina fusca of sclera | An exceedingly delicate layer of loose, pigmented connective tissue on the inner surface of the sclera, connecting it with the choroid. Synonym: lamina fusca sclerae, brown layer, membrana fusca. (05 Mar 2000) |