Abstract: An adjustable device provides support and stabilization for a patient's head during surgical procedures, especially ophthalmologic ones. A frame, including a base and lateral panel, allows an adjustable lateral support and locking mechanism to be engaged with each other and the frame. The adjustable lateral support consists of an elongated member, which is placed through a hole of the lateral panel, and a connected head bracing structure. A first cushioning pad and a second cushioning pad are secured to the base and the head bracing structure, respectively. The locking mechanism uses a spring which pushes a handle against the elongated member. The elongated member traverses through a slot of the handle; when the handle is pressed against the elongated member, the slot applies pressure against the elongated member and prevents movement. The handle can be lifted to allow the elongated member and thus head bracing structure to be repositioned.