Take the 2-minute tour ×  What I am about to ask is related to a
similar question I asked. Several people suggested several
solutions, but nothing worked for me. That particular LCD
(ViewSonic) continues to cause immense eye strain to my eyes.  I
recently purchased an HP x22LEDc LCD. I use it with my 15"
MacBook Pro (those of you who have read the post I've linked to
may have noted that in that post I mentioned having a 13"
MacBook. Since then, I have moved to a 15" MacBook Pro). I use
the mini-DisplayPort (thunderbolt) to DVI adapter to connect the
MBP to the screen. I use it at the native resolution. The
refresh rate is fixed to 60Hz, and I can't change it to anything
else from within OS X. The panel on the LCD provides much more
options to configure all sorts of things. However, I still feel
the strain. It is definitely not so great as it was with the
ViewSonic LCD, but it is there, and it leaves me eventually with
headaches.  I feel nothing while working on the glossy 15"
display of my MBP. I can work for