title: Correction of astigmatism with rigid gas permeable lenses.
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.
authors.affiliation: Department of Ophthalmology-SL69, Tulane University School of Medicine, 1430 Tulane Avenue, New Orleans, LA 70112, USA. pkastl@mailhost.tcs.tulane.edu
authors.forename: Peter R
authors.initials: PR
authors.lastname: Kastl
mesh_terms: D001251:Astigmatism / Q000628:therapy*; D003261:Contact Lenses; D004867:Equipment Design; D005740:Gases; D006801:Humans; D010539:Permeability; D017755:Prosthesis Fitting / Q000379:methods
chemical_list: D005740:Gases