title: Another perspective on keratoconus contact lens fitting.
abstract: The major keratoconic fitting philosophies are briefly reviewed with emphasis toward apical relationship. A theory concerning the cause of central defects and the fitting implications is discussed. Selective application of the different philosophies is suggested.
mesh_terms: D003261:Contact Lenses; D004867:Equipment Design; D006801:Humans; D007640:Keratoconus / Q000209:etiology / Q000628:therapy*; D008962:Models, Theoretical