Acronym for "Light Amplification by Stimulated Emission of Radiation", a laser is a man-made device that produses coherent ligh, in a narrow monocromatic beam, with a precise frequency. Among many industrial and military uses, lasers used in medicine are used for internal surgery and cosmetic applications.Such an application is found in laser back surgery, a minimally invasive surgical procedure, used to treat a large array of back conditions. It’s precise and powerful effects help surgeons alleviate pain induced by herniated discs or pinched nerves. This applies to both the upper back and the lower back areas. The laser design usually employed in laser surgery is a 2.1 Holmium YAG laser, considered the most reliable orthopedic scalpel.As the laser back surgery technology becomes popular, thousands of patients will shed years of pain in just a few minutes during a short visit to a clinic.