Abstract
This article discusses the role of computerized videokeratoscopic topography in analysing corneal astigmatism. It describes and explains the normal topographical astigmatic patterns, an understanding of which is essential for the interpretation of corneal topographic maps. The special astigmatic displays and corneal statistical indices incorporated into the software of some of the commercial videokeratoscopic systems are described and illustrated. Such functions may provide useful information for the Ophthalmologist.
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