Lenses:1.56 index Aspherical Lens
Strength: 100 to 300 by Increments of 50
Features:Progressive Varifocals lenses,UV protection
Frame Material: Metal
Size:
Lens Width:50mm / 1.97''
Lens Height:45mm / 1.77''
Bridge:18mm / 0.71''
Frame Width:131mm / 5.16''
Temple Length:138mm / 5.43''
Package:1 Progressive reading glasses.