... index lens.such as :1.499,1.56,1.60,1.591,1.67,1.74,There are single visin, progressive lens,flat top lens,round top, photochromic lens,Polarize lens,sunglass lens.And ... lens.And all kinds of semi finished lens The following is progressive lens data, our progressive stock lens , we have 1.499 ,1.56,1.61 index. The following is 1.499 progressive ...