UVEX by Honeywell A962 Reader/Magnifier Series Black Frame, 2.5 Diopter TSR Gray Lens with Anti-Scratch Hardcoat FIT: Full, ultra-lightweight 8-base wrap-around coverage. Padded temple for increased comfort and fit and non-slip rubber nose bridge to reduce slipping GRAY LENS: Gray Lens is recommended for workers in outdoor environments where sunlight and glare causes eyestrain and fatigue, such as utility workers, construction workers, roofers. This gray lens has a Visible Light Transmittance of about 15% will absorb 99.9% of UVA and UVB radiation. DIOPTER: +2.5 Diopter CERTIFICATION: Meets the ANSI Z87.1-2010 standard