cornea
cornea
Definition
cor·nea (kôr′nē ə)
noun
the transparent tissue over the front of the eyeball, covering the iris and pupil
Etymology: ME < ML < L cornea (tela), horny (web, tissue), fem. sing. of corneus < cornu, horn
cornea
Usage Examples
Converse of object
- donate: She said: " Unfortunately for patients awaiting a new cornea there is no alternative to a donated human cornea.
- call: A curved window called the cornea first focuses the light.
- cause: The fluid buildup causes the cornea to look white.
- have: Normal patients have a cornea that is usually 550-600 microns thick.
- curve: A large pupil and highly curved cornea admit plenty of light to keep the image on the retina bright.
- damage: Transplantation of preserved human amniotic membrane for surface reconstruction in severely damaged rabbit corneas.
Preposition: at
- front: The eye consists of multiple structures from the cornea at the front to the retina at the back.
Converse of subject
- focus: Light is focused by the cornea and lens at the retina.
Adjective modifier
- clear: It is replaced by clear cornea removed in the same manner from the donor eye.
- human: She said: " Unfortunately for patients awaiting a new cornea there is no alternative to a donated human cornea.
- new: She said: " Unfortunately for patients awaiting a new cornea there is no alternative to a donated human cornea.
- damaged: The dog was diagnosed with smoke inhalation induced pneumonia and has two damaged corneas.
- artificial: Potentially millions of people around the world could benefit from new research by a Lancaster University academic to develop an artificial cornea.
Modifies a noun
- transplant: The second cornea transplant was carried out in March 2001.
- transplantation: Cornea transplantation: Q & A Find out more Campaign with us!
- donation: Supporting 100 years of cornea donation 7 December 2005 marks the 100th anniversary of the world's first cornea transplant.
- donor: Eye bank appeal for donors PEOPLE plagued by eye problems could have their sight restored if more cornea donors could be found.
Noun used with modifier
- donor: The recipient's immune system must overcome the factors involved in immune privilege to reject the donor cornea.
- rabbit: Transplantation of preserved human amniotic membrane for surface reconstruction in severely damaged rabbit corneas.
Preposition: of
- eye: In some species eg snakes, the cornea of the eye appears blue, then white prior to shedding of the skin.
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