Instead of using your monitor's built-in controls to adjust brightness, contrast, and color, a third-party app called ClickMonitorDDC can help you set up everything and make adjustments with keyboard ...

Staring at a bright computer screen can cause eye strain and tension headaches. If you’re on a laptop everyday for work and suffer from these issues, you should consider changing up the brightness ...

I tested (and gamed on) the 27-inch dual-refresh rate display and think it's reasonable choice -- if you get it at a reasonable price.