SuiT 1.67 Hi-Index Blue

Refractive index (ne): 1.67, Abbe Number (ve): 31, Impact Resistance: Very Good, Material: 1.67MR-7. Prescription Range: 1.‘+7.00 ～ -12.00 / -0.00 ～ -2.00；2. '-12.50～ -15.00 / -0.00 ～ -2.00； Note: Does not include 0.25 diopters for nearsightedness or astigmatism.