This is interesting..
I've never agreed with those ergonomic studies about monitor height. I like my monitor higher too. If I look perfectly straight out - horizontal, my eyes hit at the 3/4 mark up from the bottom of the visible screen area. I rarely look at that part of the screen though cause my "work space" rarely appears at the top of the screen. So my head is fairly level with eyes very slightly downcast. I never get headaches/neckaches. (hayfever headaches don't count...and those are rare..
) Higher would even be OK. I sure wouldn't want the screen any lower.
But, the thing that really made me consider the difference in peoples comfort range was Bruce mentioning his reading glasses. I don't need them yet..although I feel it coming.
But given the addition of reading glasses in the mix, I would want my screen lower than it is now too.
My hubby's screen is the same height as mine, and he has bifocals. We just talked and his preferred height is the same as mine, but he doesn't use the bifocal part to read the screen. He sits way back, slightly reclined, and reads through the upper part. It's rare when he sits close and upright enough to use the reading part. He also said that if that was his normal position, he would also like the screen lower.
*grin...so much for generalized ergonomic studies.
I say do what feels comfortable. I use the keyboard all day every day too and I've never had a wrist problem using a Kensington Expert Mouse Trackball. I get in trouble quick with a regular mouse.
see ya,