0 Power Blue Light Blocking Lenses [For Non-Prescription Users]Lens Package: 1.60 Blue Light Blocking Scratch-Resistant (Recommended up to -4.00D)Lens Package: 1.67 Blue Light Blocking Scratch-Resistant (Recommended up to -6.00D)Lens Package: 1.74 Blue Light Blocking Scratch-Resistant (Recommended up to -12.00D)[Lens Package + Photochromic] 1.60 Blue Light Blocking, Changes to Gray/Brown/Purple/Blue/Pink[Lens Package + Photochromic] 1.67 Blue Light Blocking, Changes to Gray/Brown/Purple/Blue/Pink[Lens Package + Photochromic] 1.74 Blue Light Blocking, Changes to Gray/Brown/Purple/Blue/PinkLens Package: Kemi U2 1.60 HD Hard Coated (Recommended up to -4.00D)Lens Package: Kemi U2 1.67 HD Hard Coated (Recommended up to -6.00D)Lens Package: Kemi U2 1.74 HD Hard Coated (Recommended up to -12.00D)Lens Package: Kemi U6 1.60 Blue Light Blocking Hard Coated (Recommended up to -4.00D)Lens Package: Kemi U6 1.67 Blue Light Blocking Hard Coated (Recommended up to -6.00D)Lens Package: Kemi U6 1.74 Blue Light Blocking Hard Coated (Recommended up to -12.00D)Lens Package: Zeiss Sight-Tech 1.60 Blue Light Blocking (Recommended up to -4.00D)Lens Package: Zeiss Sight-Tech 1.67 Blue Light Blocking (Recommended up to -6.00D)Lens Package: Essilor Wanxin 1.60 Blue Light Blocking (Recommended up to -4.00D)Lens Package: Essilor Wanxin 1.67 Blue Light Blocking (Recommended up to -6.00D)