Introduced in the 1960s as a folding version of the 649 model, the 714 were the first-ever folding glasses. This model requires ten additional manufacturing steps compared to the standard ones. Regular Fitting A medium lens front designed for those who prefer to cover an average portion of the face. High Bridge Fit Offers a more secure and comfortable fit for those with a high nose bridge and lower cheekbones. A good choice if the bridge of your nose is above the level of your pupils.