Time to throw away your reading glasses?
D006801:Humans; D006956:Hyperopia / Q000601:surgery*; D020731:Keratomileusis, Laser In Situ / Q000379:methods*; D053685:Laser Therapy; D054018:Lasers, Excimer; D009216:Myopia / Q000601:surgery*; D018903:Photorefractive Keratectomy / Q000379:methods*; D011305:Presbyopia / Q000601:surgery*; D016896:Treatment Outcome