Help! iMac screen hurts my eyes!

Just upgrade from my macbook pro laptop to a 27" iMac. I love it but after even a few minutes of using it, my eyes begin to hurt. And when I look away from the computer, my vision is a little blurry. My eyes have been fatigued for a few days now because of this. I have perfect vision and never had trouble looking at computer screens before. I've tried adjusting the brightness, the display settings, changing the lighting in my office, everything!
Can anyone recommend a good solution for me? Maybe an aftermarket glare protector?
Thanks!
Fred

Hello Fred
Welcome to Apple Support Communities
Before you buy plastic film or something to stick over your Display, there a are a couple of other free things that you should try first.
1. Shades > http://www.charcoaldesign.co.uk/shades
+Shades is also great if your working in a dimly lit room.+
2. Selecting and/or Calibrating a darker Display Profile.
http://www.computer-darkroom.com/colorsync-display/colorsync_1.htm
Dennis

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