The Evoluent Vertical Mouse VM4R features a patented shake that allows you to mouse in a "handshake" position, eliminating forearm twisting which reduces the stress of mousing. The Evoluent VM4R also eliminates pressure on the carpal tunnel. Use in conjunction with the left hand model - Evoluent Vertical Mouse VM4L for a perfectly synced two hand mousing solution. The Evoluent Vertical Mouse 4 fits most hand sizes but smaller hands should consider the Evoluent Vertical Mouse 4 Small.
|Dimensions:||4.25" L x 3.375" W x 3.375" H|
|O/S:||Windows XP, Vista, 7|
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Posted by Scott on 10th Dec 2013
I really like the concept of this mouse keeping the forearm in a more natural position. It didn't relieve my problem with a stiff wrist, but other users might find it helpful. My main gripe was that in order to reset the mouse's tracking point (by picking it up to a new position) on my desktop, that I had to let go and grasp it differently (by the base), then return to the operating grasp. It's not possible to simply lift while in the operating grasp because the hand slides up off of the mouse. If the design had a deeper recess for the thumb position this likely wouldn't be an issue. I would also be interested in seeing a design that had a more "ball" shape to it so that the fingers curved more instead of extended (like the joy stick). That might help with the grip issue, as well as make the hand more relaxed.
All prices are in USD.