Size for manual measurement,there may be a 0 to 1 cm error,belongs to the normal phenomenon. Due to the difference between different monitors,the picture may not reflect the actual color of the item.Thank you! . Strength available:+0.5/+0.75/+1.0/+1.25//+1.75/+2.0/+2.25/+2.5/+2.75/+3.0/+3.5/+4.0 Width of the forehead frame:13.5cm/5.31 inches Frame height: 2.6cm/1 inch Lens Width:5cm/1.94 inches Temple length:14m/5.5 inches
