Abstract
This paper presents some of the clinical applications of the computerized corneal mapping system in the fitting of RGP lenses. Manufacturers of these instruments have advocated their use in the fitting and design of RGP lenses. We evaluated RGP lenses designed by the EyeSys Corneal Analysis System. Eleven subjects were fitted by using both a traditional approach with diagnostic lenses and with the EyeSys system. Six of 10 subjects were successfully fit using the EyeSys system. (One subject was lost to follow-up.) Problem areas included peripheral systems that were too flat and poor lens centration due to poor lens to lid interaction. Several case reports will also be presented to demonstrate the advantages of using computerized corneal topographers in solving RGP fitting problems. Because of their high cost and limited success, current computerized corneal topography (CCT) software systems for the design of RGP lenses are of limited value in the fitting of conventional RGP lenses. CCT, however, can be of great benefit in RGP problem solving and in the fitting of highly toric and/or irregular corneas.
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