title: No calculations required.
authors.forename: G E
authors.initials: GE
authors.lastname: Lowther
mesh_terms: D003263:Contact Lenses, Hydrophilic; D005139:Eyeglasses; D006801:Humans; D008433:Mathematics; D055656:Prescriptions; D012030:Refractive Errors / Q000503:physiopathology / Q000628:therapy*; D014792:Visual Acuity