The WaveLight 500 Hz Concerto Laser is a laser that provides the doctor and the patient the highest level of safety, accuracy and reliability in LASIK, allowing the doctor to truly customize and offer a treatment that is ideally adjusted to the individual needs of the patient.The WaveLight 500 Hz Concerto Laser saves upto 40% of valuable corneal tissue for every dioptre of treatment when compared with other lasers. This results in the doctor being able to treat a higher power range keeping in mind long-term safety as well as treating lower powers with unmatched stability.