... 1.1.67/1.74 single vision clear ,HC, HMC, EP coating. single vision lens We have all kinds of lens, All kinds of index ... lens.such as :1.499,1.56,1.60,1.591,1.67,1.74,There are single visin, progressive lens ... lens.And all kinds of semi finished lensThe following is 1.67/1.74 single vision details.