... white hi-index glass lens 1. Diameter: 65mm 2. Abble value 35.6 3. Transimission: over the 87% 4. Density(g/cm3) 1.70 white ... , 1.70, uncoated & A/R, size 65/70 mm)2. CR-39 LENS (index 1.499, 1.56, 1.61, uncoated, H ... )3. BIFOCAL LENS (glasses & CR-39. round-top bifocal, flat-top bifocal, blended bifocal and curve bifocal lens)4. PROGRESSIVE LENS. 1.70 asp white ...