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1)Reflective Index :1.49/1.499/1.502)Diameter :56/60/65/70mm
3)Abbe Value : 58
4)Transmission : over the 98%
5)Abrasion Resistance : 6/8H
6)Single vision , bifocal , progressive multi-focal
7)Photochromic : gray (PGX) , brown (PBX)
Cr-39 1.499 resin lens
Cr-39 1.499 round-top bifocal lens
Cr-39 1.499 flat-top bifocal lens
Cr-39 1.499 progressive lens
Finished lens as well as semi-finished lens
Certifications: CE / FDA / ISO 9001


