Home / Glossary / Unified Glare Rating
UGR مؤشر الوهج الموحد
A figure for rating discomfort glare; lower is better, and 19 is a common limit for offices.
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Related terms
- Glare الوهج
- Uncomfortable brightness from a direct source or a reflection that reduces comfort and visibility.
- Anti-glare ضد الوهج
- A design that hides the light source from the eye: a deep-recessed reflector, a shielding ring or a louvre.
- Honeycomb خلية النحل
- A grid fitted in front of the source to cut off side rays and reduce glare.
- Darklight العاكس الداكن
- An inner reflector that reduces the fitting’s brightness so the ceiling looks calm.
- Diffuser / Opal الناشر
- A milky cover that spreads the light and hides the dots, but can increase the fitting’s apparent brightness.
- Bias Lighting إضاءة خلف الشاشة
- Soft light behind the TV that reduces contrast and eye strain.