Corneal mapping, also known as corneal topography, is a non-invasive diagnostic test that provides detailed information about the curvature and shape of the cornea (the clear outer layer of the eye). This technology uses a special instrument to measure the cornea’s curvature and create a 3D map of its surface.

The cornea is a vital part of the eye’s focusing mechanism, and any abnormalities in its shape can lead to distorted vision. With corneal mapping, our eye doctor can detect corneal diseases and identify any irregularities in the cornea, such as swelling, scarring, abrasions, and deformities. Corneal mapping can help detect eye conditions like astigmatism, keratoconus, corneal dystrophies, and dry eye disease at an early stage when they are more manageable.

What is corneal topography used for?   

Your eye doctor may recommend a corneal topography scan for several different reasons:   

  • Fitting contact lenses
  • Evaluating astigmatism
  • Monitoring ocular disease
  • Assessing the severity and progression of dry eye disease
  • Evaluating patients for LASIK surgery and planning the procedure

What to expect when getting a corneal topography scan   

A corneal topography scan is a painless, non-invasive procedure that doesn’t involve any physical contact with your eyes. During the scan, you will sit in front of a corneal topographer and focus on a fixed target inside the machine while pictures of your eyes are taken. The scan takes only a few seconds to complete.

If you are experiencing any vision problems or wish to get a comprehensive eye exam that includes corneal mapping, schedule an appointment with Buckeye Optometry in Marion today. Our friendly and knowledgeable staff will be happy to assist you and answer any questions you may have.

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