Laser surgery aeur learn laser basics medical laser and laser science in surgery laser eye protection eye surgery dec 28 2020 posted by john creasey media publishing text id 211359938 online pdf ebook epub library device to make permanent changes to the shape of the cornea the laser used most often is the excimer laser which produces a beam of ultraviolet light to vaporize tissue the. Excimer laser surgery excimer laser surgery can be used to reduce myopia hyperopia astigmatism and some high order aberrations the optical zone ablated in the central cornea is commonly 5 65 mm. The american laser study club alsc has designed its surgical laser educational curriculum based on peer reviewed literature with its foundation in laser tissue interaction and laser surgery 1 24 this curriculum was created by dr peter vitruk alsc founder and is dedicated to the detailed physics of soft tissue ablation and coagulation with lasers and hot tip non laser devices a. Laser surgery is irreversible damage of biological tissue by laser light occurring within a timescale of seconds and less based on light absorption and nonradiative energy conversion giving a temperature rise and can be provided either through thermal decomposition of biotissues or phase transition leading to thermal mechanical or electromechanical tissue destruction