Laser eye surgery. Bringing things into focus.
D003315:Cornea / Q000601:surgery; D006801:Humans; D020731:Keratomileusis, Laser In Situ; D054018:Lasers, Excimer; D009216:Myopia / Q000601:surgery*; D018903:Photorefractive Keratectomy; D019736:Prostheses and Implants