[From PRK to LASEK, and from LASEK to PRK].
Soler-Ferrández
F L
FL
D003315:Cornea / Q000601:surgery*; D006801:Humans; D020731:Keratomileusis, Laser In Situ; D054018:Lasers, Excimer; D018903:Photorefractive Keratectomy; D012029:Refraction, Ocular; D054140:Refractive Surgical Procedures; D014792:Visual Acuity