VenusX ANSI Z87+ Bifocal Safety Reading Glasses Indoor-Outdoor Lenses +2.5 Power 3 Pairs Indoor-outdoor Bifocal Safety Reading Glasses, with power of +2.5 Approximately 3/4" tall magnifying diopter in lower portion of lens, no power in top portion Shatter resistant, polycarbonate lenses that shield 99.9% of UVA and UVB light. Soft nosepiece and soft PVC inserts on temple tips for extended wearing comfort. Meets ANSI Z87+ safety standards.