vitenzi bifocal sunglasses classic readers for reading under the prato sun in black 3.00 vitenzi the prato classic bifocal reading sunglasses for men and women are constructed for comfort and durability with designs inspired by modern italian eye-wear. featuring a lightweight yet strong frame, these comfortable yet premium glasses for men and women will hold up to the rigors of frequent use. <br><br>lens width: 52 mm<br>bridge: 18 mm<br>height: 41 mm<br>length: 136 mm