mineral lens,Hi index lens,1.49 resin lens,1.56,1.60 HMC ... .523 white mineral lenses Dia65mm.(b)ND:1.7 hi-index lenses pink & white.(c)multicoated white mineral lenses and multicoated ... 1.7 hi-index lenses (d)multicoated/ photochromic lenses.(e)White mineral bi-focal flat ...