Semi-Finished – SOMO 1.60 Aspheric-SV Base Curves: 0.50, 2.25, 4.25, 6.25, 8.25 SOMO Aspheric 1.60 Hardcoat Hi IndexScartch-Resistant Coat Specifications Aspheric DesignMR-8 Material1.60 Refractive Index1.30 Specific Gravity42 Abbe Value100% UV Protection at 400nmScratch-Resistant Hardcoat