sclera

[ skleer-uh ]

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

Origin of sclera

1
1885–90; <New Latin <Greek sklērá (feminine) hard

Words Nearby sclera

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use sclera in a sentence

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

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

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

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

    Benign Stupors | August Hoch
  • In acute glaucoma the sclera appears to be edematous and slightly thickened.

    Glaucoma | Various

British Dictionary definitions for sclera

sclera

/ (ˈsklɪərə) /


noun
  1. the firm white fibrous membrane that forms the outer covering of the eyeball: Also called: sclerotic

Origin of sclera

1
C19: from New Latin, from Greek sklēros hard

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for sclera

sclera

[ sklîrə ]


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

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.