Photochromic Prescription Glasses Lens CR-39 Resin Aspheric Lens Blue Pink Purple Grey Brown Lenses Color:Myopia Grey Lens color : Black Gray

Lens color : Black Gray Yellow Night vision Lens

Main Stone: Rainbow mystic topaz

Earrings Material: silver

Clip Materail : All 5 Clips HD Polarized TAC Lens

Promised 2: refund full if any fake silver after you test it

Photochromic Prescription Glasses Lens CR-39 Resin Aspheric Lens Blue Pink Purple Grey Brown Lenses Color:Myopia Grey Lens color : Black GrayHow 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: