Radiation Safety Glasses in a Titmus Frame with .75 Pb Lead Lens All lenses are standard with .75 Pb Lead Equivalency, High-Lite Transmission Lenses with 20% More Visible Light, 1.80 High Index Lenses. The Economy 70 frame comes in smoke gray nylon, equipped with removable side shields. The frame has a comfortable fit and has been a industry safety frame standard for many years. Comes with matching black side shields