It's always nice to see actual numbers in a debate! (and hat tip to Thad Starner [0] and Haynes)

If you take nothing else away from this:

- Try to keep detail and gaze in the 10° to 30° range (from view center) to limit fatigue

- People prefer moving their head to moving their eyes, for any lengthy amount of time

And also this awesome chart, which I always use when moving and TV positioning: https://i0.wp.com/kguttag.com/wp-content/uploads/2023/06/HDT...

[0] If he and his grad students still teach it, the GT "Rapid Prototyping" course is awesome. Or as the joke went, "Learn just enough EE for IED assembly" (just kidding, FBI! And also, steel wool + 9v battery + timer/receiver)