RECOMMENDED 1.59 Polycarbonate lens is recommended for eye conditions, children under 18 years of age and excellent for sport enthusiasts. Out of all lenses made, polycarbonate is the most impact resistant. Reduces the edge thickness for near sighted (-) prescriptions and center thickness for far sighted (+) prescriptions. Anti scratched hard coating and 100% UV protection included.
1.67 High Index lenses (Anti-scratch hard coating and UV protection included) Material is thinner and lighter. Suitable for High prescription (+) 6.00 / (-)8.00 or below with cylindrical power + / - 6.00 or below. Reduce the edge thickness for nearsighted (-) prescriptions and center thickness for farsighted (+) prescriptions.