Lasers offer surgeons a more precise cutting tool than conventional scalpels.
Pioneered in ophthalmology and dermatology, surgical lasers limit bleeding, pain, swelling and scarring. Their use is common in a range of surgical fields including gastroenterology, cardiology and oncology. (Photo: Wikimedia Commons/ CMRF Crumin)
(Courtesy of Wikimedia Commons / CMRF Crumin)