F.lux is great but the root of the problem is the type of backlight that monitors use. A hardware company ought to come out with a monitor armed with multiple backlight bulbs.

I mean, look at the difference in abrasiveness of spectrum between these bulb technologies:

http://housecraft.ca/wp-content/uploads/2012/09/spectral_res...

F.lux is great and helps but what we really need is an ergonomic monitor. That will truly give us healthier eyes and improved circadian rhythm.

Monitor tech is hard but this sounds like a great goal for a startup. :-)