title: The VISX perspective on fixed vs. variable spot scanning ablation.
authors.affiliation: VISX, Incorporated, Santa Clara 95051, USA. johns@visx.com
authors.forename: J K
authors.initials: JK
authors.lastname: Shimmick
mesh_terms: D003315:Cornea / Q000601:surgery*; D019781:Corneal Topography; D006801:Humans; D020731:Keratomileusis, Laser In Situ / Q000379:methods*; D054018:Lasers, Excimer; D018903:Photorefractive Keratectomy / Q000379:methods*; D054140:Refractive Surgical Procedures