progressive optical lenses Thick:0.65/0.75/0.8/1 ... ,REVO,anti-oil,silver coat Hiding logo tac polarized progressive optical lensesColor description: Front LOGOTransmission rate: 12%+/-2%Color standard: ... x 4C 10 x 4CAbundant colors, wonderful lifeFull Color Series S15,S20,B15,B22,G15,G20,D20,Y26,S40.Gradient ... Color Series SG12,SG15,SG24,BG12,BG15,BG24,SP01,SP24,VG01, ...