AR Computers to Terminate Eyestrain and Myopia

I do wish there was something that simply provides an AR 3D display situated in a simple "room". I should be able to connect it to a computer with a Thunderbolt cable, much like I can connect a display today. No need for "apps" or log-in, or anything. Just a large display, some distance away (to reduce eye strain), but crucially also retina-quality text on that display. Additionally, such a device must not impose much in the way of hardware requirements on the computer it's connected to. Even if the required resolution is 8K per eye, to make the text crisp, all scaling and transforms should occur on the device itself.

We're not there yet, but the latest AR glasses like the XREAL One and Lenovo Legion Glasses offer 1080p resolution. It's not retina-quality text, but it's like the workspace of a standard computer monitor, at a large size and at a considerable distance away.

1080p is not nearly enough. You basically have to create sufficiently high resolution on a relatively small fraction of the image sensor. Even 4K is not enough for that (see e.g. Apple Vision Pro).