I wish I could change the title of this thread, as my dad's OLED TV turned out to be OK for me afterwards. I know he was tinkering with some settings after, so maybe that helped? Or maybe I had strained eyes when I first viewed it and was sensitive to all light? Who knows.
Anyways, he unfortunately had to swap that 55" LG OLED out after 2 years because of burn-in problems. Through the Best Buy extended warranty that he bought with the TV (that actually paid for itself and then some for once), he was able to swap it for a 65" Sony LED (I don't know the model number). It's a big and gorgeous TV. I went over there on Saturday to watch the hockey game, and I seemed to have no real issues with it.
Also, previously in the day, I had attended a Super Smash Brothers Ultimate tournament with around 100-200 people. Since the Nintendo Switch has a digital A/V signal, the most preferred setup was having about a 24" computer monitor, of which there were several. I was assuming they were all LED, but had no way of knowing for sure. The lighting was also pretty dark, as it was held in a comedy club / bar like scene. I did not have any issues with an "LED headache" from looking at these displays.
This is a sharp contrast to Wednesday afternoon when I looked at a colleague's "known bad" Dell U2713H monitor for less than 15 seconds and got an immediate migraine-like headache that stuck with me for the rest of the day. I was under the impression that all displays containing an LED backlight give me the same issues. Now a few exceptions have shown up that add to the conundrum. For some reason, I seem to be fine with:
- The Nintendo Switch
- Most LED TVs
- Gaming monitors?
Maybe you all are onto something that it's the GPU where the issue lies. You've been mentioning that Intel is worse than nVidia for using dithering. Well, at work we have Dell Optiplex systems that have integrated Intel graphics (Intel HD Graphics 4000).
A test I wish I could do is be hooked up to an EEG and look at that problematic monitor at work. I bet my brain activity would light up like a Christmas Tree during the test.