1) index:1.56
2) diameter: 50/55/60/65/70 mm
3) coating: uc,hc,hct,hmc,hmc emi
4) single vision, bifocal, progressive
5) photochromic : brown , gray
6) Power range: SPH from 0 to -2000 / CYL from 0 to -600
Bosen Optical Co.,Ltd as the manufacturer of optical lens ,we are known for good service and high quality . The other items also could be provide you for your evaluation :
Cr-39 1.56 plastic mid-index lens
Cr-39 1.56 photochromic lens
Cr-39 1.56 flat-top bifocal lens
Cr-39 1.56 round-top bifocal lens
Cr-39 1.56 progressive multi-focal lens
Cr-39 1.56 photochromic progressive lens
Finished lens as well as semi-finished lens
Certifications: CE / FDA / ISO 9001