• Invisible bifocal lens
  Invisible bifocal -Specification   1)Reflative index:N=1.499   2Specific Gravity:1.32   3)Demeter: 70mm/28mm   4)Abble Value=58   5)Transmission: over 91%
  in biznes with 1.499 2specific bifocal biznes index invisible reflative specification

2specific from all users