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Title: Correction of astigmatism with rigid gas permeable lenses. Author: Kastl PR. Journal: Ophthalmol Clin North Am; 2003 Sep; 16(3):359-63. PubMed ID: 14564759. Abstract: Comparison of the results of keratometry and refraction usually suggests the appropriate contact lens for a patient's eye. Specialized rigid toric contact lenses include bitoric and back toric RGP lenses, front toric RGP lenses, and bitoric RGP lenses with prism ballast. Each lens has specific indications.[Abstract] [Full Text] [Related] [New Search]