Before you get lasered, squint at the fine print.
Marcus
M B
MB
D000556:Ambulatory Surgical Procedures / Q000191:economics; D005251:Fees, Medical; D006801:Humans; D020731:Keratomileusis, Laser In Situ / Q000191:economics*; D009216:Myopia / Q000191:economics / Q000601:surgery*