Keratoconus is an eye disease that causes progressive thinning of the central cornea (the clear "window" of the eye). This gives the cornea a cone-shaped appearance and leads to blurred vision.
Keratoconus is a hereditary condition that first appears in the late teen years.
If you have keratoconus, contact lenses can provide good vision and allow you to avoid corrective surgery for many years.
eMedicineHealth Medical Reference from Healthwise
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