What type of computer mouse is more comfortable for someone with arthritis or carpal tunnel: regular mouse with a scroll wheel, optical mouse, or trackball? - Quora
Just upgraded from my trusty g602 to the g604. Buttons aren't nearly as clicky and tactile as the g602, but the damn scroll wheel is phenomenal, I can't get enough of it.
Professional For Logitech G602 Mouse Skates Replacement Glide Feet Pad 1pack | Fruugo ZA
Buy LOGITECH ERGO M575 Wireless Optical Trackball Mouse | Currys