The cornea is the transparent, dome-shaped window covering the front of the eye.
The cornea is the transparent, dome-shaped window covering the front of the eye. It is a powerful refracting surface, providing 2/3 of the eye’s focusing power. Like the crystal on a watch, it gives us a clear window to look through. It also helps shield the rest of the eye from germs, dust, and other harmful pollutants Because there are no blood vessels in the cornea, it is normally clear and has a shiny surface. The cornea is extremely sensitive – there are more nerve endings in the cornea than anywhere else in the body.
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The cornea is the eye’s outermost layer, the clear, dome-shaped surface that covers the front of the eye.
When the cornea becomes cloudy or scarred, light cannot penetrate the eye to reach the light-sensitive retina. Poor vision or blindness may result.