When I was younger and being taught how to get around a new area, I had a hell of a time trying to get my instructors to draw me a map. Not sure if I wasn't explaining myself well or if those instructors just decided to play stupid, but I had to fight to get even a simple drawn tactile map, and once I had one everything more or less clicked into place. Now that we have accessible touchscreens on just about every modern mainstream OS, I'd love a shared whiteboard app that could accessibly render UML diagrams or whatever else drawn on one tablet to a roomful of connected phones, laptops and tablets. You couldn't necessarily convey shapes and such exactly, but if you could position a shape meaningfully and add some sort of access hint metadata (I.e. "downward-pointing arrow") I could spatially explore a UI or system diagram and everyone else can have their pretty pictures.
So many questions ...
I can't for the life of me code in any Lisp-like language. Too much nesting, and whereas speech synthesis inserts pauses at commas and other punctuation marks, Lisp's lack of them makes it hard to parse a heavily-nested function call by ear. This is true to a lesser extent with Haskell and its emphasis on ., $ and other operators that change how a function call is structured.
As always, opinions expressed are my own, and shouldn't be taken as a statement of how collective blind people do X. I'm one of many, so please don't walk away from this thinking Lisps are hard for blind folks. They're tough for me, and above are my particular reasons why.