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7 stars
Good ergonomy but limited function
by Daniel Fullum on September 8, 2006
Pros: Ideal wrist position, clicking with thumb,
Cons: Click bouncing, No fancy left with right click
Summary: I like this mouse for the ideal position of the wrist. All four fingers can rest on the slight incline of the stick. No more problems with involuntary fingers twitching ...
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Summary: I like this mouse for the ideal position of the wrist. All four fingers can rest on the slight incline of the stick. No more problems with involuntary fingers twitching after long hours working with the mouse.
The most anoying problem is click bouncing, giving you two clicks (not a double click)! It is worst when you click gently: I would suspect poor elctical contacts.
The other problem is the tuggle thumb switch. You cannot do any fancy right click while draging like many design software require.
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1 out of 1 users found this user opinion helpful.
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7 stars
Perfect for high use without pain
by wonkylegs on October 13, 2010
Pros: supports wrist and uses your strongest joint to click (thumb)
doesn't have lots of bells and whistles but has everything necessary for a high end CAD user
Cons: takes some getting used to
you must get the right size
Summary: I have arthritis all over but in particular my hands, wrists and elbows and I am also a CAD user two things that aren't really compatible thanks to the ...
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Summary: I have arthritis all over but in particular my hands, wrists and elbows and I am also a CAD user two things that aren't really compatible thanks to the huge amount of mouse clicking involved. However after over 10 years of using this and its trackball predecessor I can happily recommend this. It takes some getting used to but once you've had it a while it becomes second nature. With a regular mouse I get serious pain after an hour but this isn't a problem with this mouse.
Its doesn't have loads of extras and isn't actually that sophisticated as mice go but it does all i need it to do so I can't complain.
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8 stars
Good mouse that avoids RSI problems
by geethachakra on March 8, 2010
Pros: Avoids RSI problems, carpal tunnel and Cervical syndromes, by controlling hand and wrist motion.
Easy to use.
works fine for 2 years.
Cons: Thumb click awareness required, to keep it straight.
Middle button is not that useful.
Plastic bottom makes noise.
Summary: Avoids RSI problems, carpal tunnel and Cervical syndromes, by controlling hand and wrist motion.
Easy to use.
works fine for 2 years.
Cursor jumps sometimes, you have to have smooth ...
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Summary: Avoids RSI problems, carpal tunnel and Cervical syndromes, by controlling hand and wrist motion.
Easy to use.
works fine for 2 years.
Cursor jumps sometimes, you have to have smooth mouse pad for better movement.
Inside mouse iron plates can be removed to make it light weight.
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3 stars
Other Options
by kenneth0624 on June 24, 2008
Pros: I don't see any.
Cons: Easier and better option available.
Summary: I have severe debilitating arthritis in my right shoulder. For years, I have been using a Logitech Trackman Wheel trackball (Logitech P/N 904353-0403 904353-0403, about $30). My hand NEVER ...
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Summary: I have severe debilitating arthritis in my right shoulder. For years, I have been using a Logitech Trackman Wheel trackball (Logitech P/N 904353-0403 904353-0403, about $30). My hand NEVER moves; the thumb controls the ball and the fingers rest on the buttons. An added advantage is that no matter where the cursor is, you never have to lift up the mouse; simply rotating the ball will bring it from one edge of the screen to the other (you can also set a [Ctrl] function to find the pointer). I especially like the ballistic effects (slow movements are precise, fast movements are gross).
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9 stars
Great relief to aches and pains, simple effective mousing
by mathieu.boonen on June 24, 2008
Pros: Easy to get used to, Reliable, Inexpensive, better for the wrist than the old mice I used to use, two sizes for different sized hands
Cons: no wheel, limited functions, with what is effectively 3 buttons
Summary: Reccomend anyone to try these if they suffer from sore wrists whilst mousing, I have been using one of these for over a year now and find it has helped ...
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Summary: Reccomend anyone to try these if they suffer from sore wrists whilst mousing, I have been using one of these for over a year now and find it has helped me emmensely
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3M EM500GPS Ergonomic Mouse (small/medium) 
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