I use an electronic magnifier that sits on whatever flat surface and over your paper. Its just for documents, mail, and the occasional label on misc. items but its the only way I can read and write outside of my computer monitor. It sounds like we have similar vision, so a screen magnifier might really help.
Like a lot of low vision aids they're way too expensive, but my local center for the blind gave me one after a while. (or maybe a used one online could be cheaper)
similar to this:
$1