| Place of Origin | Jiangsu, China |
| Brand Name | risee |
| Model Number | 65/70MM |
| Lenses Material | Polycarbonate |
| Vision Effect | Single Vision |
| Coating | HMC |
| Lenses Color | Green |
1) Material: Polycarbonate
2) Product Name: Polycarbonate lens
3) Refraction Index Nd= 1.591
4) Abbe Value: 32
5) Specific Gravity: 1.20
6) Diameter: 65, 70mm
7) Coating: HC,HMC+EMI, HCT
CR39 Flat Top Bifocal Lenses
1.56 UV400 lens
1.56 photochromic lens
1.56 Single Vision Photochromic Optical Lens
1.499 Progressive free form lens
pc photochromic lens
Prescription lens(single vision,bifocal lens,progressive lens,polarized lens,photochromic lens,PC lens,free form)
1.56 photochromic lens(high rate of darkening in the sun, High rate of fading out of the sun)
flat top bifocal lens(good for older adult )
free form transition6 lens(change color more quickly and dark)