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I am studying this problem. The main cause can be strong backlight. BL2411PT has min 83cd/m2 which is for people with eyestrain problem too much. A lot of people has problem with IPS and TN are ok.

I have same experience with IPS monitor regarding eye strain, especially burning eyes. I bought HP Z24i which has no PWM, minimal brightness 60cd/m2 and soft AG coating. I tested it for two weeks and then I had to return it because of eye strain problem. Everything was ok, but the image was too...

I found settings "Sharpness" in Image control menu. I lowered it to 3 and it is better to my eyes, but eyestrain is still noticeable. The main problem was in text reading. It is difficult to focus longer time to one text area because of too sharp edges. When I am fast reading the text or quickly...

There is only Warm 5000K, Standard 6500K, Cool 9300K. Warm and Cool are extremes (not usable). I lowered Blue to 240 and green to 250 to have warmer colors (brightness 0, contrast 50). I would like to know, what causes the problem. It's a shame, because otherwise it is a good monitor(except...

I do not know what exactly can cause my problems. I did not met with it before. Image quality is superb. I worked long time on 15" laptop monitor, maybe 24" big screen which is more shinning is the problem.

I have bad experience after two weeks of usage Z24i. I have problems with eye strain(burning). I do not know exactly the cause, but I have not such problems before . I have laptop with LED backlight and with PWM 200Hz and higher lower brightness, which makes no problem to my eyes. I try to...

It depends on the purpose - graphics, office work, gamming, films ... There exists no ideal monitor(24" 1920x1200) for all activity which is around 300$. But HP Z24i is only one, which has smooth AG coating, no PWM (flicker free) and pretty nice minimal low brightness 59cd/m2. Not all monitors...

It is not necessary true, that you have Samsung panel. With Q can be both LG or Samsung. http://h20195.www2.hp.com/V2/GetPDF.aspx%2Fc03923194.pdf - LM240WU8-SLD2...

HSTND-3771-W, it means panel LG LM240WU8-SLD2 for -W. http://www8.hp.com/h20195/v2/GetDocument.aspx?docname=c03883186 Here is flickering test done by manual from TFTCentral - shutter speed 1/10 Brightness 15% You can see no thin separate lines - no PWM modulation. Here is white image with 100%...

Here is my backlight on Z24i (October 2013) Product number: D7P53A4