Lens size: max width 55 mm, height 49 mm./

Lens size: max width 55 mm, height 49 mm

The distance between the two lenses (bridge or lens width) is 18 mm; /

the distance between the two lenses(bridge or lens width) is 18 mm;

 the maximum front width of the glasses is 140 mm, the maximum front height is 52 mm. / the maximum front width of the glasses is 140 mm , the maximum front height is 52 mm. 

The maximum air space between the 2 temples with the glasses open is 138 mm. The frame size is 53 mm./The maximum air space between the 2 temples with the glasses open is 138 mm. The frame size is 53 mm.