*Blue-violet light is between 400 and 455nm as stated by ISO TR20772-2018.
(ISO: International Standards Organization – “Ophthalmic optics – Spectacles lenses – Short Wavelength visible solar radiation and the eye, FD ISO/TR 20772”)
- The darkest in hot temperatures, in the car and offering the best overall blue light protection across light situations among clear to extra dark photochromic lenses.Protection from blue light (415nm-455nm) among polycarbonate and 1.5 gray lenses: Filtering (i) up to 34% indoors at 23°C, (ii) up to 64% behind the windshield, (iii) up to 90% outdoors at 23°C and (iv) up to 83% outdoors at 35°C.













