You bought progressive lense glasses for 45 euros?
Their average cost (according to this web-site) is between 150 and 380 euros per lens!
Here is an on-line site for glasses (French origin): https://www.happyview.fr/ But they will ask you for an “ordonnance” (prescription) from an opthamologist! Same word in French. So, provided that you have seen an opthamologist and need corrective lenses, just send in the prescription - payment is, of course, on-line.
In fact, I sent my old glasses that were just fine, and they copied the lenses and sent me the new glasses. All for an exceptionally lower price than a local eye-glasses specialist in town.
No, I am not recommending that you bypass a formal opthamologist visit.
And, finally, this site that shows the results from “QueChoisr” (French equivalent to “Which!”) regarding an investigation of on-line purveyors of glasses in France. Note that “Happyview” does not get the best result.
So, all one need do is compare prices - Internet and Main Street …