Titanium Alloy Photochromic Men's And Women's Myopia Glasses Outdoor Student Optical Prescription Glasses 0 -0.50 -0.75 To -6.0 FineJewelry Model Number : M2056

Model Number : M2056

Material: Alloy Silver

Width of nose bridge : 20mm

Material goods: Zin Alloy

Model Number : DT710

Titanium Alloy Photochromic Men's And Women's Myopia Glasses Outdoor Student Optical Prescription Glasses 0 -0.50 -0.75 To -6.0 FineJewelry Model Number : M2056Place Of Origin : Japan Model Number : 5915 Pattern Type : Solid Gender : Unisex Frame Material : Alloy Brand Name : KJDCHD Origin : Japan Eyewear Accessories : FRAMES Item Type : Eyewear Accessories Certification : NONE What are photochromic lenses? Photochromic lenses are also referred to as light sensitive lenses". Glass lenses are adding silver halide, but now is the mainstream of photochromic resin lenses, adding of spiro and other chemicals in