What is Keratoconus?

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Is a degenerative disease of the cornea that causes it to gradually thin and bulge in a cone-like shape. Since the cornea is the main focusing lens of the eye, any distortions in it lead to a distorted image projected on to the retina. As the disease progresses, the cone becomes more pronounced causing vision to become more blurred and distorted. Because of the corneas irregular shape, patients with keratoconus are usually very nearsighted and have a high degree of astigmatism that is not correctable with glasses.

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