I used to buy my prescription eyeglasses on cheapprescriptionglasses.net. Becasue my prescription is an unusual one, and my face very round as well as very wide, I had to go with his reproduction frames as there were no period frames in stock that would fit. Now I'm very happy with the high quality of the eyeglasses, but on a couple of occassions folks have questioned the accuracy of the reproduction frames, due to the fact that the temples wrap around the ears. as to the further reading, I agree that such a treatment is questionable and was not common during the CW period, but note that I had been looking for a proper pair for more than a decade, and that the frames passed for a juried 18th century site.