What is the cornea?

The cornea is the eye’s outermost layer. It is the clear, dome-shaped surface that covers the front of the eye to shield the rest of the eye from germs, dust, and other harmful matter. The cornea functions like a window that controls and focuses light entering the eye. To see well, all five layers of the cornea must be free of any cloudy or opaque areas.

Other Cornea Conditions

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