1. Nd:1.499,1.56,1.61,1.67 2. Coating: UC, HC, HMC+EMI 3. Packing: white envelopes 4. CE & FDA certificate ♥We can provide ... 1.499,1.56,1.61,1.67,1.74We absorb senior ... company. My company offer many kinds of lens, 1. Refractive index: 1.499,1.56,1.61,1.67,1.742. CR-39 lens3. Photochromic lens4. Progressive ...