Which Loupes?

I have been using the German 2.5 Loupes and have gotten used to them but feel like I need more magnification or something I can clip on to my regular RX glasses. I have astigmatism and can’t get my doctor to find the right contacts, so I either need better loupes to focus closer or something great to clip on to my current glasses RX.
Would love some professional opinions as well as what working distance should I be searching for?

Thank you!