Cornea

/ˈkɔːrniə/

Meaning & Definition

noun
The transparent front part of the eye that covers the iris, pupil, and anterior chamber and provides most of the eye's optical power.
The surgeon carefully performed a cornea transplant to restore the patient's vision.
The part of the eye responsible for focusing light onto the retina.
A healthy cornea is essential for clear vision.
The outer layer of an anatomical structure, such as the cornea of a plant or the cornea of certain animals.
In some species of animals, the cornea is much thicker than in humans.

Etymology

From Latin 'cornea', meaning 'horny, horn-like', from 'cornu' meaning 'horn'.

Common Phrases and Expressions

corneal transplant
A surgical procedure to replace a damaged cornea.
corneal abrasion
A scratch on the surface of the cornea.
corneal curvature
The shape of the cornea that affects vision.

Related Words

lens
The transparent structure inside the eye that helps to focus light.
iris
The colored part of the eye surrounding the pupil.
pupil
The opening in the center of the iris through which light enters the eye.

Slang Meanings

Eye window
She said I have beautiful 'eye windows' thanks to my clear corneas.
Shiny surface
His corneas are so shiny, they catch the light perfectly.