Frame Measurements Frame Width131 mm / 5.2 in Bridge21 mm / 0.8 in Lens Width49 mm / 1.9 in Lens Height47 mm / 1.9 in Temple Length146 mm / 5.7 in Frame Details SizeAdult Medium(126 - 132 mm / 5.0 - 5.2 in) MaterialPlastic Weight(21 grams / 0.7 ounces) RimFull Rim ShapeRound FeatureCustom engraving,Universal Bridge Fit,Extended Fit Prescription Details PD Range 53 - 79 mm Additional fee for PDs below this range. Prescription Range -20.00 ~ +12.00 Available as Progressive / BifocalNo Available as ReadersYes