Computerized Contact Lens Fitting

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Abstract
A keratometer with a standard and a large mire was used to estimate the corneal apical radius and p value. A computer program used this information to determine an optimum fitting contact lens. A fitting set was used independently to determine the optimum contact lens by conventional clinical assessment. The two approaches were in broad agreement, but the computerized approach was quicker. However, calculations revealed that in this group of subjects standard keratometry provides a good estimate of the equivalent sphere which is used to determine the optimum back optic zone radius in the computerized approach.

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