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What is Cornea

What is Cornea

What Is Cornea?

The cornea is the clear outermost layer of the eye. It covers the pupil, iris, and anterior chamber. The cornea's main function is to refract light. The cornea is composed of proteins and cells. It does not have blood vessels, unlike most of the tissues


Function Of Cornea

Cornea is a transparent covering of the eye that allows the light to pass into your eye and fall onto the retina. This transparent covering is necessary for maintaining a crystal clear vision.

It is the layer which is reshaped during LASIK to correct refractive error and remove your spectacle number.


1 It helps to shield the rest of the eye from germs, dust, and other harmful matter. The cornea shares this protective task with the eyelids, the eye socket, tears, and the sclera, or white part of the eye.

2 The cornea acts as the eye's outermost lens. It functions like a window that controls and focuses the entry of light into the eye. The cornea contributes between 65-75 percent of the eye's total focusing power.