Name1.56 aspheric coating resin lens Refractive index1.56 Lens material imported resin Diameter70/72mm Coatinggreen Functionradiation protection, anti-fatigue Place of origindanyang, jiangsu Characteristics1)more clear: special coating process for perfect and comfortable visual effect. 2)more relaxed: you will feel more light and soft when you wear aspheric lenses. 3)more natural: less visual illusion and more actual visual effect is for aspheric lenses; the higher refractive index is, the better the transmittance is, the harder & thinner the lenses are.