DALIX Adept Prescription Glasses Frames RX-Ready&nbsp;55-18-140 (Gold, Matte-Black) metal frame plastic lens non-polarized Lens width: 55 millimeters Lens height: 33.7 millimeters Bridge: 18 millimeters Arm: 140 millimeters SIZE: Eye: 55 MM X Bridge:18 MM X Arm Length:140 MM Vertical B: 33.7 MM Superior Material: Metal Rx-Compatible: The Special Grooves of this Frame allow you to replace the lenses of this frame with prescription lenses from your eye doctor/optician Accessories: Hard Carrying Case & Micro Dust Cleaning Cloth Provided with Each Purchase Color: Matte-Black