EN166
Guaranteed minimum resistance of the protective eyewear against everyday risks including dropping the protective eyewear onto the ground, ageing by light exposure, exposure to heat or corrosion etc.

EN170
Risks relating to radiations - UV Protection

The protection filters ultraviolet radiation. This type of protection is particularly recommended during activities wher the source of ultraviolet radiation is predominant, such as mercury vapor lamps, actinic or germicides. Levels of application: 2-1.2, 2C-1.2 Lens color: Clear, blue, yellow or green. Adding the code "C" indicates good color recognition by the holder