1) imported material from Italy. Longer time won't be yellow.

2) More easy for tinted the color fur sunglass.

3) Diameters: 50mm, 55mm, 60mm, 65mm, 70mm, 75mm

4) Uncoated lens, hard coated and Multi-coating, HCT, Super hard

5) single vision, progressive, flat top/round top bifocal, Tinted lens, polarize lens(gray and brown)

6) semifinished lens is also available

Multi coating(AR)lens is produced by Korea coating machines.