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Believe it or not, the position I put each monitor has an affect on the amount of eye strain. There's a slight bias, for whatever reason, that makes the monitor in the left/primary position give me more eye strain, and the one on the right less eye strain.

The only real differences I can imagine here are distance, angle and background colors. The monitor on the left is closer to a wall to the left, while the monitor on the right has open space up to the doorway. The right monitor also sits farther away from me and will be viewed at a slight angle while I am head-on to the left monitor.

I don't really know what to make of this. I've gone back and forth to 100% confirm there is a slight bias in eye strain just based on left or right position regardless of which monitor is used. I guess it's probably the distance to the monitor that is mainly causing it but I don't know. Maybe it is the fact that when looking at the right position monitor at an angle, I see a lot more of the room which has a lot of far distance objects, while looking at the left basically all I see is up close or within like 4 feet.

    TrantaLocked some people reported that distance from monitor to the wall affects their eye strain, while distance eye to monitor stayed the same. Try moving your desk farther from the wall perhaps?!

      distance will not help. TV's 6m from my eyes irritate the same.

      Only older pwm free lcd's work. None of the modern flicker free displays are irritation free

        So i just sold my benq ew3270u. The guy testing it used brightness 100% and that gave me a hammering pain even though i sat 7meters away. At low brightness i had no pain, but moderate strain and nausea.

        My phone can get really bright, never get pain or strain with it. Tested it shortly after his departure.

        I am really really sure that pwm-free is nice, but some screens are still straining, because of the LEDs used. I need to test some older 2014 monitors to be sure, but i think the newest generation of w-led is causing pain to my eye.

        TrantaLocked perhaps looking diagonally breaks the contrast? Perhaps your eyes prefer VA? LG C2 is a VA Panel.

        Perhaps there is sth, that causes you strain, like a window in the side of your eye. I get strain from very bright light sources in my peripheral vision.

          hayder1983 Oh yeah, right now, while I am typing the message, my window (it is in the right peripheral zone) has exactly right brightness. Little darker or brighter - and it worsens the strain.

            hayder1983 The C1 is an OLED. It's not to do with VA because my current primary is switched to the Acer VA with the Samsung 2494HM to the right, which is the direction that if I look it is less straining, which would be a combination of more distance and seeing more of the room in that direction. It does make me think it could be as simple as viewing angle, as my other screens usually make up less than 40 degrees but my primary monitor makes up about 40 and it could just be my eyes don't like it or something.

              Not sure. Perhaps the light is less 'in your eye' because of the viewing angle.

                sss21344 https://www.amazon.com/dp/B0B6DFG1FQ/

                Basically it seemed like I get the least amount of eye strain out of the few VAs I tried with this one but what I'm discovering is that I still get eye strain with any monitor eventually, at least in the primary in front of me position. That didn't really used to be a thing before this year so I assume my eyes are less resilient now.

                I did solve the burning sensation from my 360Hz panels that I think was either the LED temperature or the horizontal polarization, but now I am discovering another type of eye strain that seems to only really happen at my desk with computer monitors, but not with my TV, laptop or phone.

                hayder1983

                sss21344

                EyeDiscomfortCertificate

                Maxx

                I may be figuring out what it actually is. There are two factors: my eye prescription and the amount of contrast directly around the outline of the display, and it's easy to be fooled that a small room light is enough. I can explain.

                The first issue is I definitely notice more eye strain if I use my long range glasses vs short range. But strangely, no glasses is still better than my long range glasses, which makes it clear that OVER-CORRECTION IS WORSE FOR STRAIN THAN NO CORRECTION.

                The second issue is lighting immediately around the display. With my laptop, the light from the screen reflects off the keyboard (and remember when I said my new laptop monitor is easier on the eyes? well it's probably because my new laptop is SILVER (brighter) and my last laptop was RED (darker), it increases outline brightness!). My TV is so large it produces enough light to thoroughly light everything around it. But my monitor is both free-floating, small, and not flush to the curtains, meaning it can't really produce enough light to light the surrounding outline.

                I was actually going back and forth pointing my phone light at the point below my monitor. The eye strain lessens soon after I point the light so the area underneath the monitor is lit.

                Now what's interesting is that area isn't really super dark when I have one of my smaller lamps on, but it's still too dark anyway. The only way to really get it "bright" is with the room light on, which is way too bright. So the only reasonable way to fix this is to buy a standalone light that goes behind the monitor or on the desk under the monitor. I would want something that can light the area all around the monitor like what I see with my TV.

                I DO NOT think overall lighting in the room matters that much. It is moreso the sharp contrast from the outline of the monitor to the surrounding. You only need like 1-2 feet of the area around the monitor to be lit somewhat to create more of an equalization.

                One of the problems for the monitor in relation to like a phone used in darkness, is that even though both are being in used in darkness, the monitor will be far worse if there's no edge lighting since it tends to fill more of your FOV. The only way to really change monitor FOV at least in my case is to get a deeper desk which after searching online, is prohibitively expensive if i want to be picky with dimensions. Nothing really cuts it.

                So what I'm going to do is find the best way to get good lighting all around the monitor. Probably a light that goes behind and maybe one below so the bottom bezel is also lit somewhat. I have some paper taped to the bottom bezel while I look for lights. These are what I'm going to test first: 1, 2, 3. There are some other cool RGB lights that are just too expensive. I will also get a new pair of glasses even better for the exact distance I use my desktop monitor at.

                And that's pretty much it. I believe when it comes to preventing my eye muscle strain, it is a combination of not overcorrecting with my prescription and making sure the area immediately around the monitor bezel is well lit. As I explained, these areas are better lit for both my TV and laptop in pure darkness due to the reasons I explained above. The desktop monitor is the worst case; large FOV, lamps have trouble lighting the surrounding area. PWM is also an issue but not all PWM is created equal, as I have no issue with the PWM frequency of my laptop panel. I have also tried to disable GPU enforced dithering with the program Calibration Tools but I have yet to confirm if this makes a difference.

                When it comes to the burning sensation from my 360Hz monitors, again I still think it's either the blue LED temperature or the polarization, which for those panels was horizontal. I have a post in this thread with my polarization findings for all types of displays I've tested TrantaLocked . MOST monitors seem to have vertical polarization, with some rare exceptions having horizontal or diagonal polarization.

                It is still weird because I never experienced issues with surrounding contrast causing eye strain. I don't know why it's suddenly an issue.

                  TrantaLocked Today is the first day i had no nausea at all, was able to work for 8 hours and i think i would be able to sit here another 2 hours. Still using the Syncmaster. Still using eye drops 4 times a day, no cortison. After taking the cortison nothing felt different, but the seven days i got out a lot. At least one hour of walking(just normal walking) and up to 4 hours a day. Even in my homeoffice i go for a walk now every day, so i can actually move a bit. This doesnt sound like much, but it actually helps my eyes. My eye pain is nearly gone. I hope this will not change, i will keep using the syncmaster and walking for 1+ hours a day.

                  Ok, this is weird. Using the follwing combinations results in:
                  Home PC + Syncmaster + HDMI + no driver = no nausea
                  work laptop + internal screen = no nausea
                  worklaptop+ Syncmaster + HDMI + no driver = nausea!!!

                  Seems like my nausea is somehow also related to driver issues?!

                  EDIT: I am not able to install drivers on my worklaptop. Every external screen is always with generic windows driver.

                    I can use an IPS monitor with an Innolux panel. Specifically the M280DCA-E3B found in the Samsung U28R550 is quite good. It is found in some other 28” 4K 60 Hz IPS monitors. What I would really like to try are Innolux 27” 1440p high refresh rate offerings, including the older K7B and especially the newer and faster K7E which supposedly improves on Innolux hardware-level low blue light tech already present on K7B.

                    All of these monitors use FRC so this is not a blanket recommendation.

                    The MSI Optix MAG274QRF-QD (AUO panel) gave me immediate and obvious pain.

                      degen I've heard many different opinions, but overall from what I heard is that AUO are actually easier on eyes. But digging deeper, I've come to conclusion that it is not only the panel itself, but backlight could be the culprit too (hovewer I own a BOE-panel based LG monitor, its backlight better than BENQ's one i also own, but I still cannot use it, for a different reason). Samsung often puts their own backlights into the panels they install in their monitors. OTOH, I've never heard anything bad about Innolux (esp IPS) panels aside from having difficult to remove red tint. The last Samsung VA monitor with AUO panel I've tried was good actually.

                        EyeDiscomfortCertificate There seems to be quite a few complaints of eyestrain with the Gigabyte M28U, which uses an Innolux 4K high refresh rate panel, so I steered clear of that one. Samsung makes a version with that panel as well, the Samsung G70A, which I really want to try, but it’s too expensive.

                        dev