: the transparent part of the coat of the eyeball that covers the iris and pupil and admits light to the interior see eye illustration
Examples of cornea in a Sentence
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When the cornea is clouded or scarred, the pathway is blocked even if the retina itself is healthy.
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Charlie Fink, Forbes.com, 3 Sep. 2025
The eye develops these and other conditions when the cornea’s curvature is off—too steep, too flat, or too uneven.
—Meghie Rodrigues, IEEE Spectrum, 2 Sep. 2025
His corneas also were donated, and his kidneys saved the lives of two men in their 60s in the Midwest.
—Kansas City Star, 29 Aug. 2025
Light reflects off surfaces, passes through the cornea and lens, and lands on the retina, where photons trigger the photoreceptors that kick off neural processing.
—Jonny Thomson, Big Think, 28 Aug. 2025
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Charlie Fink, Forbes.com, 3 Sep. 2025
The eye develops these and other conditions when the cornea’s curvature is off—too steep, too flat, or too uneven.
—Meghie Rodrigues, IEEE Spectrum, 2 Sep. 2025
His corneas also were donated, and his kidneys saved the lives of two men in their 60s in the Midwest.
—Kansas City Star, 29 Aug. 2025
Light reflects off surfaces, passes through the cornea and lens, and lands on the retina, where photons trigger the photoreceptors that kick off neural processing.
—Jonny Thomson, Big Think, 28 Aug. 2025
See All Example Sentences for cornea
Cite this Entry
“Cornea.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cornea. Accessed 9 Sep. 2025.
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