https://forum-en.gw2archive.eu/forum/info/news/FOV-Field-of-View-Changes-Beta-Test
This may not work for everyone, but it seemed to help me a lot.
Once I implemented this change I completed the Jumping Puzzle in 10 minutes. It really seems to center your screen. And it allowed me to gauge jumps and my position better.
If you have a widescreen monitor it is worth checking out.