cornea

noun
cor·​nea | \ˈkȯr-nē-ə \

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

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Other Words from cornea

corneal \ ˈkȯr-​nē-​əl \ adjective

Examples of cornea in a Sentence

Recent Examples on the Web

These kinds of mistakes open you up to issues like keratitis, an irritating inflammation of your corneas that can cause scratchiness, pain, blurry vision, and other symptoms. Korin Miller, SELF, "7 Things That Can Cause Irritated, Scratchy Eyes," 29 June 2018 Just like with sunburns on your skin, UV rays can cause inflammation to your eyes, specifically to the corneas. Macaela Mackenzie, Allure, "Can Your Eyes Get Sunburned From Staring at the Sun? Experts Weigh In," 6 Apr. 2018 Mary Alice also has brittle cornea syndrome, a condition related to Ehlers-Danlos that causes abnormalities of the eye and can lead to her retina becoming detached during activities. Jason Duaine Hahn, PEOPLE.com, "Kind-Hearted Limo Driver Treats Girl With Rare Disorder to Free Luxury Rides to Hospital," 18 May 2018 Anderson said one of the most common impacts of too much UV is pterygium, a growth that can cover part of the cornea and block vision. Lauren Castle, azcentral, "Eye protection is just as important as sunscreen in the Arizona summer," 17 May 2018 Falkowski has had several eye surgeries after being diagnosed with Fuchs’ dystrophy, a genetic disorder of the cornea that has left him legally blind in one eye, his attorney said. Kelly Brennan, Philly.com, "Former QVC exec gets 30 months in prison for bilking $1M from network," 10 July 2018 That rubbing can also change the shape of your cornea, leading to keratoconus, the AAD says. Korin Miller, SELF, "Here’s Exactly What to Do About Eczema on Your Eyelid," 3 July 2018 What's more, the outcome was the same in intact human corneas, as well as in mice's eyes infected with HSV-1. Kaleigh Fasanella, Allure, "New Drug Could Treat Herpes Simplex-1 Virus More Effectively Than Ever," 15 Feb. 2018 The blast left the front part of Northup's eye deformed, damaging the cornea and bruising the retina. Ashley Welch, CBS News, "Fireworks display gone wrong nearly cost firefighter his vision," 29 June 2018

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.

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History and Etymology for cornea

Middle English, borrowed from Medieval Latin (short for cornea tēla "horny web," cornea tunica "horny covering," translating Greek kerātoeidḕs chitṓn), from feminine of Latin corneus "horny" — more at corneous 14th century

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Statistics for cornea

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10 Nov 2018

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More Definitions for cornea

cornea

noun

English Language Learners Definition of cornea

: the clear outer covering of the eyeball

cornea

noun
cor·​nea | \ˈkȯr-nē-ə \

Kids Definition of cornea

: the transparent outer layer of the front of the eye covering the pupil and iris

cornea

noun
cor·​nea | \ˈkȯr-nē-ə \

Medical Definition of cornea 

: the transparent part of the coat of the eyeball that covers the iris and pupil and admits light to the interior

Other Words from cornea

corneal \ -​əl \ adjective

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More from Merriam-Webster on cornea

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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