Lenses:1.56 index UV400 Photochromic Transition (Optional) Aspherical Lens
Strength: +100 to +300 by Increments of 25
Features:Progressive photochromic lenses,UV protection
Frame: Metal frame
Lens Width: 54mm/2.13''
Lens Height: 30mm/1.18''
Bridge Size: 17mm/0.67''
Frame Width: 139mm/5.47''
Temple Length: 138mm/5.43''
The progressive/varifocals lenses has areas for near and distance.
In order for you to adapt to the lens as soon as possible, there are writings on the lens.