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:+0.0/+0.5/+0.75/+1.0/+1.25/+1.5/+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(approx.)
Frame height:3.9cm/1.56 inches(approx.)
Lens Width:4.6cm/1.81 inches(approx.)
Temple length:13.5cm/5.31 inches(approx.)