title: Hexagonal keratotomy.
authors.forename: L T
authors.initials: LT
authors.lastname: Nordan
authors.forename: W A
authors.initials: WA
authors.lastname: Maxwell
mesh_terms: D001251:Astigmatism / Q000209:etiology; D006801:Humans; D007646:Keratotomy, Radial / Q000009:adverse effects / Q000379:methods*; D008027:Light; D012542:Scattering, Radiation; D014786:Vision Disorders / Q000209:etiology