4K and 8K televisions not noticeably better for typical viewer, scientists say

For any given viewing distance, there's a recommended screen size; further there are diminishing returns to resolution given the Mark One eyeball's resolution power:

* https://carltonbale.com/1080p-does-matter/

* https://en.wikipedia.org/wiki/Optimum_HDTV_viewing_distance

* https://www.rtings.com/tv/reviews/by-size/size-to-distance-r...

Here's the open access study's results.

https://www.nature.com/articles/s41467-025-64679-2