3M Nuvo Reader Protective Eyewear, 11501-00000-20 Gray Lens, Gray Frame, +2.0 Diopter  (Pack of 1) Magnifying diopters combine eye protection with reading enhancement with +1.5, 2.0 and 2.5 diopters available on most models Retro styling gives the glasses a nostalgic look Integral brow bar and side shields offer additional protection Dual lens profile in a one-piece lens design combines style with durability Polycarbonate lenses absorb 99.9% UV