Definition of cornea in English:

cornea

noun

  • The transparent layer forming the front of the eye.

    • ‘The limbus is the thin area that connects the cornea and the sclera, the white part of the eye.’
    • ‘Organs currently in demand for transplantation include the heart, kidneys, liver, lungs, intestines, and pancreas; tissues include corneas, heart valves, blood vessels, skin, and bone.’
    • ‘Corneal transplants are performed for people who have damaged or opaque corneas (the outer layer of the eye).’
    • ‘The whole eye is not used, only the cornea, the transparent front of the eye, and the sclera, the white part of the eye.’
    • ‘The spectacles seemed to protect her cornea and retina, which were not damaged.’
    • ‘The cornea, iris, and crystalline lens work together to focus light onto the retina.’
    • ‘Your cornea is transparent, allowing light to pass through much like clear glass.’
    • ‘These rays of light first travel through the transparent cornea, and then through the lens, which helps to focus the light.’
    • ‘The iris is the colored part of the eye, which lies behind the transparent cornea.’
    • ‘To see well, all layers of the cornea must be free of any cloudy or opaque areas.’
    • ‘The top layer of the cornea is not damaged by the procedure, so there is unlikely to be any pain afterwards.’
    • ‘The cornea is kept transparent by the continuous removal of fluid by the endothelial cells.’
    • ‘A cornea transplant replaces the damaged cornea with a disc of healthy tissue from a donor.’
    • ‘One potential concern raised by the study was the loss of endothelial cells in the corneas of patients who received the implants.’
    • ‘Your doctor uses this light to examine the cornea, iris, lens and anterior chamber of your eye.’
    • ‘The colored circular membrane in the eye just behind the cornea is called the iris.’
    • ‘Tissues such as corneas, skin, bone, bone marrow, cartilage, tendons, veins, and fascia also can be transplanted successfully.’
    • ‘However, cystine crystals in the cornea are not usually detectable in the first year.’
    • ‘Without moisture, our corneas, which serve as protective domes for the front of the eyes, would dry out and could become cloudy or injured.’
    • ‘Oxygen deprivation causes tiny blood vessels to grow into the clear tissue of your cornea.’

Origin

Late Middle English from medieval Latin cornea tela ‘horny tissue’, from Latin cornu ‘horn’.

Pronunciation

cornea

/ˈkɔːnɪə/