GEN S, Color Touch, XTRActive, Mirror and XTRActive Polarized each behave differently.
ARK VISIONOPTOMETRYPHOTOCHROMIC
Lenses that adapt to changing light
Compare everyday clear-to-dark lenses, stylish colour options and stronger daylight solutions.
Grey, brown, blue, purple, pink and green options, subject to specification.
Made-to-order gradient colour options for selected materials and indices.
Photochromic performance varies with light, UV exposure, temperature, material, index and colour.