Iambic round-frame glasses Iambic round-frame glasses from DITA EYEWEAR featuring gold-tone, black, acetate, titanium, clear lenses, straight arms and curved tips. These glasses come with a protective case.. All glasses from FARFETCH are sold as non-prescription frames.. Imported Composition Titanium 90%, Acetate 10% SIZE & FIT Measurement Arm Length 5.5 in(14 cm) Bridge Width 0.7 in(2 cm) Lens Diameter 2 in(5 cm) Total Width 6 in(15 cm)