Medical Health Encyclopedia

Keratoconus

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Cornea

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Keratoconus

Definition:

Keratoconus is a deterioration of the structure of the cornea with gradual bulging from the normal round shape to a cone shape. This condition causes decreased visual acuity. It is frequently discovered during adolescence.

Causes, incidence, and risk factors:

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The cause is unknown. Keratoconus is more common in contact lens wearers and people with nearsighted eyes. Some researchers believe that allergy may play a role.

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