Progressive sun readers have 3 levels of vision to meet all your need. Top part is 0 -25 magnification, suitable for driving, walking, interacting and other 20ft distance view. Middle part is slightly reduced power magnification for computer work. Bottom part is full-power magnification for reading.
Model Number: ZP-RGSG020
Size:53-20-143mm
Frame Material: Metal
Lens Material: PC
Frame Color: Black
Lens Color: Gradient Gray
Magnification Strength: 1.0x,1.5x,2.0x,2.5x,3.0x,3.5x & 4.0x
Logo: Accept Print Customer's Logo