KleenGuard 30-06 Dual Readers Prescription Safety Glasses Stylish, nylon frames feature a soft, self-adjusting rubber nose pad for comfort. Feature integrated diopters on both the top and the bottom for vision help when looking both up and down. These safety readers have a 7 base curve, which helps provide for peripheral vision. Polycarbonate lenses provide 99.9% UVA/ UVB/UVC protection. Available in three strengths Pack of 1