| scleral rigidity | The resistance of the eye to changes in shape with changes in intraocular pressure. (05 Mar 2000) |
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| scleral | Relating to the sclera. Synonym: sclerotic. (05 Mar 2000) |
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| 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 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) |
| cadaveric rigidity | Muscular rigidity which develops in the cadaver usually from 4 to 10 hours after death and lasts 3 or 4 days. (12 Dec 1998) |
| catatonic rigidity | Rigidity associated with catatonic psychotic states in which all muscles exhibit flexibilitas cerea. (05 Mar 2000) |
| pathologic rigidity | Rigidity of the cervix uteri in labour, due to fibrosis, scarring, cancer, or other condition. (05 Mar 2000) |