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Cornea
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córnea
(anatomy) the transparent layer that covers the outside of the eyeball
What is "cornea"?
The cornea is the transparent, dome-shaped layer at the front of the eye that covers the iris and pupil. It plays a crucial role in refracting and focusing light onto the retina, allowing us to see clearly. The cornea is composed of specialized cells and is responsible for most of the eye's focusing power. It is essential for maintaining the integrity of the eye and protecting it from external elements.
Example
The cornea is the transparent, dome-shaped layer covering the front of the eye, responsible for refracting light rays to focus images onto the retina.
Contact lenses sit on the surface of the cornea, providing vision correction for individuals with refractive errors.
The cornea lacks blood vessels, obtaining nutrients and oxygen directly from tears and aqueous humor.
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