Eye & face protection. Sunglasses & related eyewear. Sunglasses for general use Filters (optical), Filters (eye protectors), Sunglasses, Eye protectors, Protective clothing, Spectacle frames, Spectacle lenses, Light-sensitized materials, Transmittance, Refractivity, Optical properties of materials, Photometry (light measurement), Optical measurement, Solar radiation, Performance, Strength of materials, Marking, Labels, Safety measures, Instructions for use, Mechanical testing, Testing conditions, Spectra, Visual perception, Ignitability