the transparent anterior part of the external coat of the eye covering the iris and the pupil and continuous with the sclera.
- cor·ne·al, adjective
- mul·ti·cor·ne·al, adjective
- pre·cor·ne·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use cornea in a sentence
Because that’s what his opponents really should beware of, the recognition that starts in his corneas and cables to the brain, which in turn sends decoding back to his limbs to do all those far-fetched, breath-snatching things.Patrick Mahomes has unmatched physical gifts. His intellect might be what sets him apart. | Sally Jenkins | February 5, 2021 | Washington Post
Light passes right through the cornea and into a transparent, flexible tissue called the lens.
These resulted in trips to the ER for burns, corneal abrasions, and the odd amputation.Fireworks, Lightning, Riding Lawnmowers and Other Summer Menaces | Trevor Butterworth | July 9, 2013 | THE DAILY BEAST
It is then divided as close to the corneal wound as possible.
(iii) To evacuate the anterior chamber in bad corneal ulceration, especially when associated with hypopyon and tension.
The actual cautery is best for serpiginous corneal ulcers, carbolic acid being more satisfactory for those of the vesicular type.
The body and neck should be very carefully separated right up to the corneal margin by means of forceps and scissors.
(ii) Partial union is effected in cases of paralysis of the first division of the fifth nerve when corneal ulceration threatens.
British Dictionary definitions for cornea
the convex transparent membrane that forms the anterior covering of the eyeball and is continuous with the sclera
- corneal, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for cornea
The tough transparent membrane of the outer layer of the eyeball that covers the iris and the pupil.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for cornea
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.