cornea: meaning, definition, pronunciation and examples
C1Medical, Scientific, Formal
Quick answer
What does “cornea” mean?
The transparent front part of the eye that covers the iris and pupil, responsible for focusing most of the light entering the eye.
Audio
Pronunciation
Definition
Meaning and Definition
The transparent front part of the eye that covers the iris and pupil, responsible for focusing most of the light entering the eye.
In medical and biological contexts, the cornea is a highly organized, avascular tissue that provides a protective barrier and is crucial for clear vision.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences. Minor potential differences in pronunciation.
Connotations
Purely anatomical/medical term in both varieties.
Frequency
Equal frequency in relevant professional contexts (ophthalmology, optometry).
Grammar
How to Use “cornea” in a Sentence
[Subject] damages/scratches the cornea.The cornea [Verb] becomes cloudy/ulcerated.A graft replaces the diseased cornea.Vocabulary
Collocations
Examples
Examples of “cornea” in a Sentence
adjective
British English
- corneal graft
- corneal topography
- corneal reflex
American English
- corneal transplant
- corneal mapping
- corneal response
Usage
Meaning in Context
Business
Rare, except in context of medical device manufacturing (e.g., 'corneal implant sales').
Academic
Common in biology, medicine, and health science texts.
Everyday
Used when discussing eye health, injuries, or surgical procedures like LASIK.
Technical
The primary term in ophthalmology and optometry for the anterior transparent structure of the eyeball.
Vocabulary
Synonyms of “cornea”
Neutral
Weak
Vocabulary
Antonyms of “cornea”
Watch out
Common Mistakes When Using “cornea”
- Mispronunciation: /kɔːrˈneɪ.ə/ or /kɔːrˈniː.ə/.
- Confusing 'cornea' with 'retina' or 'lens'.
- Using it as an uncountable noun (e.g., 'damage to cornea' instead of 'damage to the cornea').
FAQ
Frequently Asked Questions
No, the cornea is the clear, dome-shaped front surface. The white part is the sclera.
Minor scratches (abrasions) can often heal quickly. Severe damage or disease may require a transplant.
It is an open sore on the cornea, usually caused by infection, which is a serious condition requiring prompt treatment.
The cornea is living tissue, part of your eye. A contact lens is an artificial device placed on top of the cornea to correct vision.
The transparent front part of the eye that covers the iris and pupil, responsible for focusing most of the light entering the eye.
Cornea is usually medical, scientific, formal in register.
Cornea: in British English it is pronounced /ˈkɔː.ni.ə/, and in American English it is pronounced /ˈkɔːr.ni.ə/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think: 'CORNEA lets you SEE A' the world clearly. It's the CORNer of the EYE you look through.
Conceptual Metaphor
The cornea is often metaphorically described as the 'window' of the eye.
Practice
Quiz
What is the primary function of the cornea?