How to pick your Mr. Right Glasses? POV: Perhaps you've been wearing the wrong size glasses all the time. "54-18-145" 1. Lens width Decides if your glasses pinch your face or make it look wider. Measure your face! Quick tip: Grab a credit card (about 53mm wide) and see how it compares to youer eye width. 2. Bridge width That's the space between the lenses. 3. Temple length That's from the hinge to behind your ear. #Firmoo #Firmoooptical #frames #prescription #tips