\ ˈskler-ə How to pronounce sclera (audio) \

Definition of sclera

: the dense fibrous opaque white outer coat enclosing the eyeball except the part covered by the cornea — see eye illustration

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Other Words from sclera

scleral \ ˈskler-​əl How to pronounce sclera (audio) \ adjective

Examples of sclera in a Sentence

Recent Examples on the Web The area that surrounds the iris—called the sclera—is tinted in most animals but bright white in humans. Popular Science, "Why your body looks so weird," 9 June 2020 The high contrast provided by humans’ white scleras enhances our awareness of one another’s gazes. Rafil Kroll-zaidi, Harper's Magazine, "Findings," 27 Apr. 2020 In all of Wilton’s cavalcade of wonders, to my mind, no product can compete with its selection of decorative edible eyeballs: flat, white sclera of sugar marked with black to represent pupils, lids, and lashes. Helen Rosner, The New Yorker, "Holiday Gift Guide for Foodies: From Murderous Mermaid Salt to Lamps Made Out of Croissants," 12 Dec. 2019 However, one year after stopping minocycline, doctors did not see much improvement in the man's sclera discoloration, the report said. Rachael Rettner, Fox News, "Why did the whites of this man's eyes turn blue?," 19 Apr. 2018 Scleral tattooing consists of injecting pigment into the sclera, or white, part of the human eye with a needle. Shari Rudavsky, Indianapolis Star, "Eyeball tattoos? Here's why Indiana lawmaker wants to ban them.," 8 Jan. 2018 The world was reminded of the practice when Canadian woman Catt Gallinger of Ottawa, Ontario, Canada, recently posted the results of her sclera tattoo gone wrong. Sean Rossman, USA TODAY, "Don't tattoo your eyeball. Just don't do it.," 29 Sep. 2017 Unsafe sclera tattoos can lead to blindness, or as seen in this instance, terrifying infections. Teen Vogue, "Sclera Tattoo Causes Model's Severe Eye Infection, Possible Blindness," 28 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sclera.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of sclera

1888, in the meaning defined above

History and Etymology for sclera

New Latin, from Greek sklēros

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Cite this Entry

“Sclera.” Dictionary, Merriam-Webster, Accessed 7 May. 2021.

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More Definitions for sclera


\ ˈskler-ə How to pronounce sclera (audio) \

Medical Definition of sclera

: the dense fibrous opaque white outer coat enclosing the eyeball except the part covered by the cornea

called also sclerotic, sclerotic coat

More from Merriam-Webster on sclera Encyclopedia article about sclera

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