Modeling corneal topography, measuring depth, and fitting lenses to improve vision outcomes.
The corneal topography is usually described as an ellipse. Measurement or calculations of the sagittal depth of model corneal topographies at various chord diameters allowed a matching of the sagittal depth of spherical radii contact lenses. The relation between base curve and average central corneal radius is calculated.
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Tom F. Brungardt (1981) studied this question.
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