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: the dense fibrous opaque white outer coat enclosing the eyeball except the part covered by the cornea see eye illustration
Examples of sclera in a Sentence
Recent Examples on the Web
Seeing sclera on the face of another person, Hare says, is one way babies who are just a few months old identify another living creature as being human.
—Jeffrey Kluger, TIME, 17 Sep. 2024
The surgeon gets access to the muscles by placing small incisions in the conjunctiva, which is the thin clear covering over the sclera (the white part of the eye).
—Troy Bedinghaus, Od, Verywell Health, 1 June 2024
Or, the light may be powerful enough to have effects on the blood flow to the back of the eye, or the sclera (the white part of the eye).
—Annalisa Merelli, STAT, 2 Feb. 2024
The sclera and conjunctiva (the thin, clear membrane that protects your sclera) may also develop a gray or yellowish tint largely due to UV damage (although smoking can also cause discoloration of the eyeballs).
—Didi Gluck, Allure, 5 Dec. 2023
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Word History
Etymology
New Latin, from Greek sklēros
First Known Use
1888, in the meaning defined above
Dictionary Entries Near sclera
Cite this Entry
“Sclera.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sclera. Accessed 21 Nov. 2024.
Kids Definition
sclera
noun
: the dense fibrous white or bluish white tissue that forms the outer covering of the back five-sixths of the eye and is replaced in front by the transparent cornea with which it is continuous
Medical Definition
sclera
noun
: 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
Britannica.com: Encyclopedia article about sclera
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