- Edited
What I personally think is the problem is that you've tried out panels which do not have good motion performance and thus could be triggering some kind of eye-strain from that.
If you are able to, try one of the following monitors:
Viewsonic XG2431 (IPS), Dell S2522HG (IPS), AOC 24G2ZU (IPS), Omen X 25 / Omen X 25f (both TN)
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UPDATE:
XG2431 does have some type of subtle flicker in some RGB transitions, while the S2522HG has static dithering, slightly green-ish text rendering, be aware/cautious!
Alternatives:
VG259QM, VG258QM, AW2523HF, AW2521HF (true 8-bit), XL2566K, MAG251RX (if 1080p)
27G1S, PG27AQN (if 1440p)
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These are some of the fastest LCD panels available and could work out if this eyestrain is related to motion blur (all of these are flicker-free too!)
If you choose the IPS models, you're less likely to have dithering and LCD artifacts, as IPS is less prone to this.
You could also consider getting some blue light filtering eyeglasses, such as the Uvex Skyper, found from this video
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UPDATE:
Not a big fan of this approach above anymore , as you're gimping eyesight by looking through acryllic.
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I will also quote Chief's reply to a similar problem from the Blurbusters forums for some guidance, hope it can help you!
There are MANY causes of eyestrain that are not related to flicker or PWM.
- antiglare
- polarization
- pixel structure
- brightness
- contrast
- color gamut
- blur eyestrain
- stutter eyestrain
- screen too bright relative to environment
- etcEverybody is different. Some people get more motion blur eyestrain, to the point where strobing reduces eystrain (especially when using VSYNC ON framerate=Hz, especially when reducing strobe crosstalk via refresh rate headroom, e.g. 120fps 120Hz on a 240Hz panel). So your eyestrain won't be the same as others.
Strobing framerate=Hz is often less eyestrain than PWM dimming, because the phantom array effect is the bigger eyestrain cause than the direct flicker itself.
Brightness strain test: Reduce brightness via monitor OSD. If already too low, adjust using NVIDIA Control Panel. Add a bias light behind your monitor so your monitor is not rudely blatantly the brightest object in your vision field.
Blur eyestrain: Turn strobing on and see what happens (optional, but recommended, use framerate=Hz too as strobing amplifies jitters)
Stutter eyestrain: Test VSYNC ON (or similar framerate=Hz sync technology like RTSS Scanline Sync) or use VRR.
Color gamut strain test: Reduce contrast in NVIDIA Control Panel and see what happens
Polarization strain test: Most monitors use a rotatable stand, so rotate your monitor 90 degrees (And configure Control Panel for a portrait display) and see if your eyestrain changes on your IPS panel. Some people are eyestrain-sensitive to the light polarization of certain LCDs. Many IPS panels are polarized 90 degrees differently than many TN panels. Also, AUO vs Innolux sometimes have different polarizations.
Some are difficult to test (e.g. antiglare texture test).
Unfortuantely, you will have to self-diagnose, as there are too many eyestrain causes of a monitor.