All our lenses pass the Australian & NZ standards.
AS/NZS 1067.1. :2016. :EN
Mirror lenses are CAT3
Photochromic with bifocal reader CAT0 - CAT2
Photochromic CAT0 -CAT3
Photochromic HD with bifocal readers CAT1 - CAT3
Photochromic HD CAT1- CAT3
Sunglass categories explained:
Category 0 – No or very light tint, with light transmission at 80% to 100% - Night time or low light (also indoors)
Category 1 – Light tint, with light transmission at 43% to 80% - For cloudy days.
Category 2 – Medium tint, with light transmission at 18% to 43% - Good for all but the sunniest days.
Category 3 – Dark tint, with light transmission at 8% to 18% - For very sunny days.