Vogart eye order glasses eyeglasses frames eastern states 56-20 italy vintage

Product Name: Vogart eye order glasses eyeglasses frames eastern states 56-20 italy vintage
Size 56-20 Lenses are prescription and the strength is unknown. This frame is preowned. Minor wear to be expected. The eyeglass numbers are usually written as: xx-xx-xxx or they might have small boxes between the numbers on the eyeglass frame. 1. The first number in the eyeglass size is the distance across one lens of the eyeglass frame ( does not include the frame) 2.The second number in the eyeglass size is the distance across the bridge on the order eyeglass frame. 3.The third number in the eyeglass size is the length of the temple(arm piece) from the front of the eyeglass frame to the end of the temple, which goes behind the ear.