Your ophthalmologist (Eye M.D.) will be able to diagnose keratoconus during a routine eye exam. A slit lamp can be used to diagnose severe cases of keratoconus, but sometimes corneal topography is needed to diagnose the more subtle cases of keratoconus.
Additional tests may be appropriate to determine the shape of your cornea. These include:
- Keratometry. In this procedure, a circle of light is focused on your cornea, and the reflection is used to determine the curve of your cornea.
- Computerized corneal mapping. This procedure is used to take a picture of your cornea and generate a topographical map of your eye's surface.
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