Smith Optics Prescription Eyeglass Prescription Eyeglasses 102791 Southside RX EyeglassesVision All Smith clear lenses come standard with a Premium Anti Reflective coating, on the front and backside of lenses, which reduces glare to prevent eye fatigue and gives better visual acuity True optical clarity, through lightweight Polycarbonate lens material made for daily and active wear Superior hard coating, for improved scratch resistance Hydroleophobic coating repels water, dirt, and grease Photochromic and blue light lens options available