title: Simplified refracting technique in keratoconus.
abstract: A simple but effective technique to refract keratoconus patients is presented. The theoretical objection to these methods are discussed. In addition, a formula to calculate lenticular astigmatism is presented.
mesh_terms: D000293:Adolescent; D000328:Adult; D001251:Astigmatism / Q000175:diagnosis; D003261:Contact Lenses; D006801:Humans; D007640:Keratoconus / Q000503:physiopathology* / Q000628:therapy; D008297:Male; D012029:Refraction, Ocular; D012030:Refractive Errors / Q000145:classification / Q000175:diagnosis / Q000628:therapy