OTG goggles reinforced with soft foam cushion , visible light transmission: approx. 77% ,color: light gray 1030-1100 D LB8 I LB9 R LB6 LV CE (OD9+) 2000-2200 DI LB2 R LB1 LV CE (OD2+) 5400 D LB3 I LB4 R LB2 LV CE (OD4+) 9000-11000 D LB3 I LB4 R LB2 LV CE (OD4+)