Not first-hand, but I found this fascinating:
https://www.vincit.fi/en/blog/software-development-450-words...
https://www.vincit.fi/en/blog/software-development-450-words...
Although author doesn't go into much detail about difficulties of learning how to efficiently use those screen-reading tools, I liked that he gives a broad picture of blind people's everyday code-related routine.
BTW, how does one understand all that synthesized gibberish? I bet it could give you a headache :D