cornea

[ kawr-nee-uh ]

noun

, Anatomy.

1. the transparent anterior part of the external coat of the eye covering the iris and the pupil and continuous with the sclera.

cornea

/ ˈkɔːnɪə /

noun

1. the convex transparent membrane that forms the anterior covering of the eyeball and is continuous with the sclera

cornea

/ kôr′nē-ə /

1. The tough transparent membrane of the outer layer of the eyeball that covers the iris and the pupil.

cornea

1. The transparent outer covering of the front of the eye that covers the iris and pupil .

Derived Forms

• ˈcorneal, adjective

Other Words From

• corne·al adjective
• multi·corne·al adjective
• pre·corne·al adjective

Word History and Origins

Origin of cornea¹

1350–1400; Middle English < Medieval Latin cornea ( tēla, later tunica ) horny (web or tunic), feminine of corneus corneous

Word History and Origins

Origin of cornea¹

C14: from Medieval Latin cornea tēla horny web, from Latin cornū horn

Example Sentences

She has keratoconus - a condition where the cornea thins and bulges, causing distorted and blurred vision.

From BBC

Mr Still's kidneys went for research and part of one eye - the cornea - was donated.

From BBC

A 91-year-old man who became the first patient in England to receive an artificial cornea says having it has made his life "fuller".

From BBC

Simply put, ERG consists of taking measurements of the electrical potentials generated by neurons and other cells in the retina from the surface of the cornea.

From Science Daily

A slight elevation in pressure, an otherwise imperceptible symptom caused by fluid buildup around the cornea, can lead to a glaucoma diagnosis.

From Science Daily