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7. Glossary
Angle visuel; viewing angle
Angle between the straight lines connecting the ends of the apparent source and the eye of the observer or measurement point (synonyms: apparent diameter, angular extent).
Angle d'acceptance; acceptance angle
Angle of the detector limited by the field-of-view diaphragm over which illuminance and luminance measurements are averaged. There is a thermal acceptance angle γ th and a photochemical acceptance angle γ ph (synonyms: field of view, effective field, angular aperture).
Retinal thermal burn; Brûlure rétinienne thermique
Thermal retinal damage induced by radiation between 380 and 1,400 nm (visible and IR-A). 2 TLVs are associated with retinal...
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Legislative texts
Decree no. 2010-750 of July 2, 2010 on the protection of workers against the risks arising from artificial optical radiation.
Directive 2006/25/EC of the European Parliament and of the Council of April 5, 2006 on the minimum health and safety requirements regarding the exposure of workers to the risks arising from physical agents (artificial radiation).
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