Also regarding CCFL laptops I find older business laptops still often cause me some eye strain. The problem with thinkpads, latitudes, and elitebooks has always been they have the lowest possible flicker rate. Literally around 200hz, this is insanity when you factor in how much you pay for these things at release.
Lenovo is the absolute worst for this.
It's bad for everyone sensitive or not
I believe companies are finally coming around to realising this at least