3M™ 078371-62048 Bi-Focal Lens Lightweight Reader Protective Eyewear, 2.5 Diopter, Clear Lens, Black/Silver, Plastic Frame, Polycarbonate Lens, Yes % UV Protection, ANSI Z87.1-2015, CSA Z94.3-2007 3M™ 078371-62048 Bi-Focal Lens Lightweight Reader Protective Eyewear, 2.5 Diopter, Clear Lens, Black/Silver, Plastic Frame, Polycarbonate Lens, Yes % UV Protection, ANSI Z87.1-2015, CSA Z94.3-2007