sclera

American  

[skleer-uh] / ˈsklɪər ə /

noun

Anatomy.

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

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sclera British  

/ ˈsklɪərə /

noun

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

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sclera Scientific  

/ sklîr′ə /

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

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Etymology

Origin of sclera

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

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Example Sentences

See Examples For:

sclera

He has described the prehistoric-looking Dalmatian pelicans, which “have eyes of such tremulous glacial depths—the bluish-gray sclera like an ice sheet being cored by the black iris—that they appear to hold entire worlds inside them.”

From The Wall Street Journal ● Aug. 14, 2026

The motivation underlying this work stems from the limited options currently available to ophthalmologists for investigating the finer details of the sclera in living patients and specimens.

From Science Daily ● May 16, 2024

“The Bachelor” star Joey Graziadei shared Thursday that he has Gilbert syndrome, a liver condition that explains why the sclera — the white outer coating — of his eyes appear yellow.

From Los Angeles Times ● Mar. 1, 2024

Amid criticism, Moore later retracted his claim, saying he had only transplanted the eye’s outer portion—the sclera and cornea.

From Scientific American ● Nov. 9, 2023

They were this stunning gray, so light the irises almost blended in with the sclera.

From "Burning Blue" by Paul Griffin

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