Earlier quoted context omitted.
There's a 200 page, 8-years running, active thread on eyewear/frame selection, https://www.styleforum.net/threads/ask-me-about-eyewear.1205... Boutique frames are not usually available online, only from authorized B&M retailers. Because of the cost, opticians only carry a few models. Sometimes older models show up on Amazon and eBay. A few models are available at http://www.pretavoir.co.uk/us/ and http://framesdirect…
I'm a bit confused about people buying glasses online. How do they check for comfort? What about the prescription lenses?
The hardest part is getting the distance-to-pupil that you need to input in millimeters. I just asked last time I went to a physical store and they measured it with the little machine.