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