Anti Blue Light Progressive Multifocal Lenses women sunglasses package : Original Case+Cleansing Cloth

package : Original Case+Cleansing Cloth

Model Number : gb5358

Design: Love Pendant Design

Model Number: SE1190

Certificate Number: SZ1704017466

Anti Blue Light Progressive Multifocal Lenses women sunglasses package : Original Case+Cleansing ClothHow to choose lens index Lens index reflects lens thickness, there is 1. 56, 1. 61, 1. 67 index etc. The higher lens index is, the thinner lens is. 1. 67 is thinner than 1. 61 than 1. 56 at the same degree. Lens thickness also depends on frame size. The bigger frame is, the thicker lens is. 1. 56 index suggestion degree: SPH: 0. 00 ~ 4. 00; CYL: 0. 50~ 2. 00 SPH: +0. 50~+4. 00; CYL:+0. 50~+2. 00 1. 61 index suggestion degree: SPH: 0. 00 ~ 6. 00; CYL: