Width of the lens at its widest point, measured in millimeters. 51mm
Height of the frame including the rim, measured in millimeters. 33mm
Shape of the end of the temple, can be straight, bent, curled, or an elastic strap. Bent
Width of the frame measured from the far outside point of the frame front to the far point on the other side. 131mm
Total length of the temple, measured from the tip of the temple, past the hinge, to the front of the frame. 145mm
Amount of distance between the widest part of the lenses, expressed in millimeters. Also known as DBL (distance between lenses). 17mm
Height of the lens at its highest point, measured in millimeters. 29mm
Thickness of the rim around the lens, measured in millimeters from the top of the frame. 4mm
Width of the frame as measured from the inside of the furthest point of one lens to the furthest point of the other lens, measured in millimeters. 117mm
Length of the temple of the frame, measured from the tip to the end of the temple where it is connected to the hinge. 135mm