The maximum horizontal width of a single lens. The distance from the inner edge of the lens on the nose side to the inner edge on the temple side. This dimension determines the size of the frame and the field of view, directly affecting the fit for the wearer's face shape.
2. Bridge Width:
The shortest distance between the left and right lens rims, also known as nose bridge distance or center beam width.
3. Temple Length:
The straight distance from the temple hinge center to the end of the temple. This dimension determines the fixing effect of the glasses on the ears and wearing stability.
