CEN/TC 85/WG 2 - Terminology

This European Standard defines and explains the principal terms used in the field of personal eye-protection in the following (draft) ENs:  EN 166 Personal eye-protection - Specifications  EN 167 Personal eye-protection - Optical test methods  EN 168 Personal eye-protection - Non-optical test methods  EN 169 Personal eye-protection - Filters for welding and related techniques - Transmittance requirements and recommended utilisation  EN 170 Personal eye-protection - Ultraviolet filters - Transmittance requirements and recommended utilisation  EN 171 Personal eye-protection - Infrared filters - Transmittance requirements and recommended utilisation  EN 172  Personal eye-protection - Sunglare filters for industrial use  prEN 173  Personal eye-protection - Visors for motorcycle helmets  prEN 174  Personal eye-protection - Ski goggles for downhill skiing   EN 207 Personal eye-protection - Filters and eye-protection against laser radiation  EN 208 Personal eye-protection - Eye-protectors for adjustment work on laser and laser systems (laser adjustment eye-protectors)  EN 379 Personal eye-protection - Welding filters with switchable luminous transmittance and welding filters with dual luminous transmittance  The table in Annex A gives the spectral distribution of solar radiation energy in the infrared spectrum.  The terms and their definitions in this European Standard are based on those in ISO 4007, ISO 31-6 and CIE Publication 17.4. In parts, these definitions have been simplified. Where they have been adopted word for word, reference is made to the source.  ISO 4007 Personal eye-protectors - Vocabulary  ISO 31-6 Quantities and units - Light and related electromagnetic radiations  CIE 17.4 International lighting vocabulary