| Place of Origin |
Guangdong China (Mainland) |
| Brand Name |
Tongyi |
| Model Number |
TY-023 |
| Lenses Material |
Resin |
| Lenses Color |
Clear |
Progressive lens(Optical lens) Material: white from Great Lake, Photochromic from LG Refraction index: 1.499 1.56, 1.61 Power range: -3.00 to +3.00, Add: +1.00 to +4.00 Corridor: 12mm, 14mm, 17mm Coating: UC, HC, HMC, EME available Finished and Semi-finished available Semi-finished progressive Base 4, 6,8