Online Google Dictionary

corneas 中文解釋 wordnet sense Collocation Usage Collins Definition
Noun
/ˈkôrnēə/,
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corneas, plural;
  1. The transparent layer forming the front of the eye

  1. (cornea) the transparent dome-shaped anterior portion of the outer covering of the eye; it covers the iris and pupil and is continuous with the sclera
  2. (corneal) of or related to the cornea
  3. (Cornea (album)) Cornea is Sywnthkrawft's first studio album, released in 2006. The album consists of rerecorded and rearranged songs from early recording sessions in 2005. The album have been described as "space romance" and "ambient movie score music". ...
  4. (Cornea) The outer window of the eye that provides 70% of the eye's refractive power. The cornea is approximately 500 microns thick (.5 millimeter) and consists of 5 layers – epithelium, Bowman's membrane, stroma, Descemet's membrane and endothelium.
  5. (Cornea) (KOR-nee-ah) This is the clear structure at the front central part of the eye, imparting the greatest focusing power of all the ocular media.
  6. (Cornea) Clear front covering of the eye; all light must pass through it.
  7. (cornea) The clear front tissue of the eye. Refractive surgeries like PRK, LASIK, LASEK and RK reshape this tissue to correct vision problems.
  8. (Cornea) normally clear front of the eyeball.
  9. (Cornea (Anatomy)) These eyeball jokes don't get better, they just get cornea.
  10. (Cornea) Clear front eye tissue that covers the iris and pupil and admits light. Contact lenses either fully or partially cover the cornea.
  11. (Cornea) Cuticle covering the compound eye or ocellus.
  12. (Cornea) Located in front of the coloured iris. It is transparent and is one of the few structures in the body that has no blood supply. The cornea is the ‘window’ to the eye and cannot be seen from straight ahead. It is very sensitive having a complex system of nerves running through it. ...
  13. (Cornea) That portion of the eye through which light rays first enter and are bent or refracted.
  14. (Cornea) This forms the forward clear transparent part of the exterior eye skin. Its diameter amounts to approximately 11 to 12 mm, and its thickness in the centre to between 0.5 and 0.6 mm.
  15. (Cornea) represents a part situated in front of the eye with the role of focusing the incoming light beams on the eye.
  16. (cornea) Description, diagram
  17. (cornea) The clear connective tissue membrane which assists in the focusing of light and provides a smooth anterior optical surface.
  18. (cornea) The clear dome-shaped window that forms a specialized region of the sclera (the external layer that holds in the gelatinous substance of the eye), through which light passes and which serves primarily as a curved exterior surface that gathers and focuses the entering light, making gross ...
  19. (cornea) The eye's outer window. Sensitive, protective and transparent, the cornea's unchanging, curved surface provides 75 percent of the eye's focusing ability, or refractive index.
  20. (Corneal) transplants are performed by an ophthalmologist, who is a corneal specialist and is expert at transplants and corneal diseases.