BS EN 166:2002 Personal eye protection. Specifications BS EN 167:2002 Personal eye protection. Optical test methods BS EN 168:2002 Personal eye-protection. Non-optical test methods BS EN 169:2002 Personal eye-protection. Filters for welding and related techniques. Transmittance requirements and recommended use BS EN 172:1995 Specification for sunglare filters used in personal eye-protectors for industrial use