I was told the other year that many optical shops will do not do a "highRx" in rimless/framelss glasses. If I recall it was about the thickness needed on edges, (sorry I am not much of an answer for you/don't know anything more specific). I hope you find something that works for you eyes/needs.

I have also worn bifocals or progressives for many more years than I care to admit. My DH says when I was born they put me in an old body