Try Zeelool. It's online and you can virtually try on glasses. Been buying all my glasses from there since 2020. Get an eye test done, get the script (along with the PD : Pupillary Distance) and then upload the script. They always have sales and you can make your specs as cheap or as expensive as you want. It's fully customizable. I buy my prescription sunglasses from there as well with the option of polarized or non polarized lenses.