Corneal surgery for correction of refractive errors.
D000328:Adult; D003315:Cornea / Q000601:surgery*; D006801:Humans; D020731:Keratomileusis, Laser In Situ / Q000009:adverse effects / Q000592:standards; D007646:Keratotomy, Radial / Q000379:methods; D054018:Lasers, Excimer; D019654:Lens Implantation, Intraocular / Q000379:methods; D007910:Lenses, Intraocular / Q000592:standards; D018903:Photorefractive Keratectomy / Q000379:methods / Q000592:standards; D054140:Refractive Surgical Procedures