Looks like we're in the same boat, you & I.
But - before assuming that LCDs would be an improvement to your health, get a load of this:
NOTE THAT THIS SITE ISN'T ACCESSIBLE VIA ANANDTECH, RATHER COPY/PASTE IT TO YOUR ADDRESS BAR, THEN IT SHOULD WORK
http://www.cloanto.com/users/mcb/19960719lcd.html
Here's my experience:
In the past, older (13" viewing area) CRTs were OK for my photosensitivity.
Then along with the 15" flat-screen KDS CRT came SLIGHT symptoms of dizziness, eye pain, etc.
Then with the 15" Samsung Syncmaster 151s LCD ($300 from NewEgg) came HUGE symptoms, like you wouldn't believe. I'm using it right now, and it's bothering me & even weakens my muscles, stabbing abdominal pains, etc via the triggering of my optic nerves radiating to & degenerating the rest of my body.
I dimmed the screen via the video card, as well as changing the color so the screen is completely stucco-colored - that is, except for images, such as the MUSHKIN image - above-right.
That only helped somewhat.
I also recently tried a 17" NEC FE750+ CRT - year 2002.
It has flat-aperture grille ("improved brightness" - ugh!) /Opticlear anti-glare screen (you name it)
my problems were even WORSE than the Samsung.
Symptoms were worse even though I dimmed the NEC to the utmost via its monitor controls, as well as the same exact stucco color that I used with the Samsung LCD.
At least 3 photosensitives have informed me they can't use anything but laptops, otherwise they have problems.
So I think the common denominator of all this is:
(1) To make sure it's as small viewing area as is nowadays feasible
(2) To make sure it's as low-intensity brightness as is nowadays obtainable
I'm still in a state of desperation, trying to solve this mystery. Of course, I'd get a laptop, BUT it's not affordable for me, especially since I really don't need a complete system, only the monitor.
P.S. Another thing. If you decide to go with an LCD, you gotta be careful because some LCDs might have blurry text (and it doesn't make a difference whether you use the rounded-fonts option or not. In fact, the latter makes it even worse). So make sure to ask about that. I say this because when I was at a local library, they had up-to-date 15" Dell plug'n'play LCDs, yet their text was blurry, and selecting the rounded fonts option made it worse).
Here's some more links you may wanna browse:
http://www.drsheedy.com/ (computer vision syndrome)
http://www.essex.ac.uk/psychology/overlays/ (color & visual stress)
http://www.evansconsult.org/is.htm (Irlen Syndrome)
http://www.pol-us.net/ASP_Home/ (PhotoBiology Society)
http://www.epilepsynse.org.uk/pages/info/leaflets/photo.cfm (photosensitive epilepsy)
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