MLC Eyewear &lsquo;Ashton&rsquo; Rectangle Reading Glasses +1.75 in Grey Plastic frame composite lens non-polarized Lens width: 52 millimeters Bridge: 18 millimeters Arm: 144 millimeters U.S. Standard ANSI Z80.3-2001 | CE Certified | UV400, absorbing over 99% of harmful UVA and UVB spectrums. Smart design to fit your face curve. Absolute comfort for everyday wear. Smooth Finish with Hand Polished Frame MLC Exclusive Pouch made in micro fiber material Lens 52mm x Bridge 18mm x Arms 144mm, Lens Height 32mm