Operation Chairs with Pneumatic Seat Height Adjustment give adjustable bodily support to a seated surgeon to prevent inadvertent fatigue and enable access to the chair without compromising the sterility of the surrounding operating area. These Operation Chairs tilt forward to restore natural curve of the lumbar spine and prevent excess pressure on the underside of the thighs. These Operation Chairs are made from quality grade material to ensure fine finish and long lasting usage. Operation Chairs with Pneumatic Seat Height Adjustment combines features like sturdy construction, easy operation and less maintenance.