Glasses like this could take whatever you are looking at it and magnify it in the heads up display. It could probably even be selective about it, e.g. only mag

Glasses like this could take whatever you are looking at it and magnify it in the heads up display. It could probably even be selective about it, e.g. only magnify and sharpen text that is at the center of your field of vision. There are already assistive devices for people with visual impairments, but they are clunky and cost a LOT.