sclera

[ skleer-uh ]

noun

, Anatomy.

1. a dense, white, fibrous membrane that, with the cornea, forms the external covering of the eyeball.

sclera

/ ˈsklɪərə /

noun

1. the firm white fibrous membrane that forms the outer covering of the eyeball Also calledsclerotic

sclera

/ sklîr′ə /

1. The tough, white, fibrous tissue that covers all of the eyeball except the cornea.

Word History and Origins

Origin of sclera¹

1885–90; < New Latin < Greek sklērá (feminine) hard

Word History and Origins

Origin of sclera¹

C19: from New Latin, from Greek sklēros hard

Example Sentences

In the stage of degeneration, ectasae of the sclera occur most frequently near the equator of the globe.

From Project Gutenberg

The displacement backward of the lamina cribrosa may cause that structure to lie behind the outer surface of the sclera.

From Project Gutenberg

If the iris lies in contact with the sclera and cornea for some time, it becomes adherent (peripheral anterior synechia).

From Project Gutenberg

The eyes may remain open for such long periods of time that the conjunctiva and sclera may become quite dry and ulcerate.

From Project Gutenberg

In acute glaucoma the sclera appears to be edematous and slightly thickened.

From Project Gutenberg