... ,PC lens,photochromic lens,bifocal lens,progressive lens, We supply: (a)1.523 white mineral lenses Dia65mm.(b)ND:1.7 hi ... .499 CR 39 hard resin lenses(g)1.499 CR 39 bi-focal lenses and progressive lenses and lenticuler lenses.(h) 1.499 and 1 ... .56 CR-39 multicoated and hard coated lenses.(i) semi-finished lenses.(j ...