1.61 transitionVI progressive optical lens

1.61 transitionVI progressive optical lens transition lens, photochromic, progressive 1) Index=1.61 2) Max Diameter: 75mm 4) Changing color within 5 seconds 5) HC, HMC, UC, UV, Hydrophobic coating are all available 6) Single vision, progressive available 7) Feature: Thinner and lighter than spherical lens. 8)High transmittance, stable color and Precise design. 9)Available color: gray 10)provide RX hi-cylinder lens Index :1.499, 1.56, 1.61, 1.67,1.59 ,1.74are all available transitionVI photochromic, single vision, progressive, polarized, and RX laborary lens all can be provided we also provide polarized optical lens, free form progressive lens registered with FDA and CE