In Germany they usually just give you a little credit-card-sized card with your glasses that has all the information about the lenses (and thus your prescription) on it.
yes, tho the point of the article is that you need a fast expiring prescription in the US. Even if you have the information you cannot directly buy glasses.
> Thankfully, I knew that two laws, one passed in 1997 and the other in 2003—which had, incidentally, been loudly opposed by the AOA—gave me the right to demand a copy of my prescription.
They don't even tell you the numbers, unless you insist. On they used to not tell you the numbers at all even after insisting..