Here is a wired ergonomic mouse designed to keep you comfortable as you get work done on your laptop or computer. The Contour Design RollerMouse Free3 wired computer mouse has 8 programmable buttons. It sits in front of your keyboard, so no reaching is required. You can use this with Windows and Mac computers.
This mouse has a rollerbar that lets you control the cursor with fluid motion. A wireless version is also available.