As some of you may already know, I have a girlfriend who really doesn't want me to become blind. She sees it as a form of self-harm; believing that I really can't want this and that I'd regret it if I went through with it.
She does seem to be open to the idea of me using no-vision contact lenses, which allow me to achieve as close to the state I need to be in as I'm likely to ever get. I think I can live with this, for the time being at least.
Now it's just a question of finding somewhere that makes them to a decent quality for a reasonable price. All I've found so far is somewhere that sells them for £75 per pair, plus postage. This is, I think anyone would agree, very steep.