Executive standard: anti-radiation anti-blue glasses Lens type: coated lens With Germany's unique double-sided diamond-coated crystal film anti-blue light blocking technology, it can block 50% The above-mentioned harmful high-energy blue light, avoiding the blue light of energy penetrating the eye crystal Body up to the retina lift affects clarity, reduces eye burden and relieves eyes fatigue. Mirror outside width: 133mm Mirror width: 52rmm In the nose: 16mm Frame width: 128mm Frame height: 36mm