Keratoconus

Overview

Keratoconus, a slowly progressing condition, occurs when the middle layer of the transparent dome-shaped structure in the front of your eye (cornea) thins and gradually bulges, creating a cone shape. This abnormal shape blurs and distorts vision because your cornea no longer bends light normally.

Eyeglasses can correct mild vision problems. Moderate to severe keratoconus may require specially-fitted rigid contact lenses to improve vision. Severe keratoconus, which causes corneal scarring and swelling, may require a cornea transplant or other surgery.

Why choose Mayo Clinic

• Newest technology and treatments. Eye doctors (ophthalmologists) at Mayo Clinic offer the latest diagnostic technology and most advanced treatment options for people with keratoconus, including scleral contact lenses and cornea transplants.
• Experience and expertise. Mayo Clinic ophthalmologists have extensive experience and special training in the treatment of cornea diseases, such as keratoconus, in addition to general ophthalmology. For more than 20 years, Mayo Clinic has done extensive research on keratoconus and cornea transplants.

Read more about keratoconus.