The Theory and Computation of Optical Modifications to the Cornea in Refractive Keratoplasty

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The optical theory of keratophakia employing implant lenticules with a refractive index different from that of the cornea is presented. This generalized theory also embraces keratophakia employing donated stromal lenticules and keratomileusis, with equal accuracy. The method of solution of the formulas is indicated. The effects of the various parameters upon the radius of curvature to be applied to the cornea are illustrated and discussed.

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