cornea

IPA/ˈkɔːniə/
KK[kˈɔrniə]IPA/ˈkɔːrniə/

cornea — noun

  • corneasingular
  • corneasplural

1. the clear curved layer at the front of the eye which shields the coloured part (

1.名詞B2
釋義

the clear curved layer at the front of the eye which shields the coloured part (iris) and the black centre (pupil) and bends incoming light rays to help you see clearly

例句

Saira scratched her cornea while putting in contact lenses and had to see an eye doctor.

scratch + cornea while [doing activity]

After the bike accident, Zola's cornea was examined under a special microscope at the hospital.

passive: cornea was examined

文法句型

possessive + cornea — e.g. 'his cornea', 'the patient's cornea'

cornea of + noun phrase

用法筆記

Cornea is a medical term for a specific part of the eye. In everyday conversation, speakers may say 'the front of the eye' instead. The plural form is 'corneas'.

常見錯誤

❌She hurt her retina when putting in contacts.
✅She hurt her cornea when putting in contacts.
💡The retina is at the back of the eye; the cornea is the clear front layer.
❌He had a cornea transplant in his both eyes.
✅He had a cornea transplant in both eyes.
💡'His both eyes' is not grammatical; use 'both eyes' or 'both of his eyes'.