Lenses Material:Resin Vision Effect:Single Vision Coating:HMC Lenses Color:Clear Refractive index:1.56 Diameter:65/70mm Monomer:NK55, imported from Japan Abbe value:42 Specific Gravity:1.15 Transmission:> 97% Power range:SPH: 0~ -8.00, 0~ +6.00 CYL: 0~ -6.00 Show More