Definition of cornea
: the transparent part of the coat of the eyeball that covers the iris and pupil and admits light to the interior — see eye illustration
From the M-W Editors
Recent Examples of cornea from the Web
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The procedure employs a laser, similar to the one used in LASIK, to remove a small piece of the cornea to reshape the eye.
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Thau says sun exposure can also cause photokeratitis, an inflammation of the cornea, with temporary symptoms of blurry vision, light sensitivity and a burning or gritty sensation.
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In July, the bride is to begin a fellowship in cornea, refractive surgery and external diseases at Mass Eye and Ear, where the groom is to begin the third year of his residency.
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The cornea is the outer layer of the eye, serving as the first clear layer for the lens.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cornea'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of cornea
Middle English, from Medieval Latin, from Latin, feminine of corneus horny, from cornu
CORNEA Defined for English Language Learners
cornea
playDefinition of cornea for English Language Learners
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: the clear outer covering of the eyeball
CORNEA Defined for Kids
cornea
playDefinition of cornea for Students
: the transparent outer layer of the front of the eye covering the pupil and iris
Medical Dictionary
Illustration of cornea
Learn More about cornea
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Spanish Central: Translation of cornea Nglish: Translation of cornea for Spanish speakers Britannica English: Translation of cornea for Arabic speakers Britannica.com: Encyclopedia article about cornea
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