Refractive surgery.
D003315:Cornea / Q000601:surgery; D005544:Forecasting; D006801:Humans; D020136:Hydrogel, Polyethylene Glycol Dimethacrylate; D007646:Keratotomy, Radial / Q000592:standards; D007910:Lenses, Intraocular / Q000592:standards; D009216:Myopia / Q000503:physiopathology / Q000601:surgery; D011092:Polyethylene Glycols; D011446:Prospective Studies; D012030:Refractive Errors / Q000503:physiopathology; D054140:Refractive Surgical Procedures
D020136:Hydrogel, Polyethylene Glycol Dimethacrylate; D011092:Polyethylene Glycols