Opti-mechanical mouses employ light sensors that pick up the movement of a ball . Optical mouses use light sensors that pick up movement. The touch pad. Common in laptop computers, touch pads consist of flat, electronically touch-sensitive pads that are controlled by moving a fingertip across the slick surface. Choose a mouse that fits your hand.
Recent studies suggest that larger mouses provide more support.
Don't squeeze the mouse. Relax your grip to reduce muscle tension. Keep your wrist straight. Your forearm, wrist and fingers should be in a straight line. Adjust the mouse speed setting.