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cornea

 

Definitions from WordNet

Noun cornea has 1 sense
  1. cornea - transparent anterior portion of the outer covering of the eye; it covers the lens and iris and is continuous with the sclera
    --1 is a kind of
    membrane, tissue layer
    --1 is a part of eye, oculus, optic
    --1 has particulars: arcus, arcus senilis

Definitions from the Web

Cornea

Definition:

The cornea is the transparent, dome-shaped part of the outer layer of the eye that covers the iris, pupil, and anterior chamber. It plays a vital role in focusing light onto the retina, enabling clear vision.

Parts of Speech:

  • Noun

Senses:

  • Sense 1: The transparent part of the eye covering the iris and pupil
  • Sense 2: The relatively insensitive transparent front part of the outer layer of the eye

Usages:

  • Medical Usage: In ophthalmology, surgeons often perform cornea transplants to restore vision in patients with damaged corneas.
  • Optical Usage: High-quality contact lenses are designed to sit comfortably on the cornea, providing clear and crisp vision.
  • Research Usage: Scientists are studying the cornea to develop new treatments and surgical techniques to correct vision disorders.
  • Animal Anatomy Usage: The cornea of some animals, such as birds and reptiles, differs from that of humans in structure and function.

Sample Sentences:

  • She underwent a cornea transplant to restore her vision.
  • The cornea helps protect the eye from dust and foreign particles.
  • John's contact lenses were custom-made to fit his cornea perfectly.
  • Researchers discovered a new protein in the cornea that could lead to innovative treatments for vision disorders.
  • The cornea of birds is thicker and more resilient compared to that of humans.

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