Suit B&T 1.56 Blue Blocking & Transition to Brown

Refractive index (ne): 1.56, Prescription Range: ‘-0.00 ～ -6.00 / -0.00 ～ -2.00 (Nearsightedness 0 to 800, astigmatism 0 to 200.) Note: Does not include 0.25 diopters for nearsightedness or astigmatism.