Description
- Photochromic lens optical glass containing silver halide microcrystals, phototropy reversible reaction according to the principle, in the sunlight and UV irradiation variable dark, completely absorb ultraviolet and visible light absorption of neutral; back to the dark, can restore the colorless transparent.
- UV400 Photochromic Transition Aspherical Fiber Lens, Lens Index 1.56
- trength: 100 to 300 by Increments of 25
- Frame: Metal Frame, Flexible TR90 Temples;Comes with a case.
- Comes with a soft case
Size:+125
 | 
Colour:Black
Transition photochromic progressive multifocal reading glasses custom metal strength frame UV400 sunglasses 0 to +300 in 25 increments