I wonder if an easier solution, albeit maybe a bit too cyberpunk dystopian, would be to just work in a pitch black room where you could use a projector shining

I wonder if an easier solution, albeit maybe a bit too cyberpunk dystopian, would be to just work in a pitch black room where you could use a projector shining on the farthest wall. You'd have to be able to touch type though, otherwise every extra inch of distance between keyboard and monitor is somewhat fatiguing when you are constantly glancing up and down.