Logitech M570 Wireless Trackball Mouse: Easily use your computer for long periods of time with this trackball mouse, which allows you to precisely navigate features with minimal wrist movement. Enjoy lasting comfort thanks to the sculpted shape, which supports the curves of your hand.
I have personally been using roller ball for past twelve years due to wrist problems. I now have my husband liking it as well. it does not take long to get use too.,