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Glare

 

Negative sensation caused by excessive and uncontrolled brightness in the visual field

 

The degree of glare not only depends on the luminaire but also the positon of the observer, the room dimensions and reflections of the surfaces. 

Unified glare rating (UGR) - measure of the glare in a given environment

  • UGR data should be provided by the manufacturer of the luminaire often found in the specifications or datasheets of the luminaire (e.g. in an office, the luminaires should have an UGR ≤ 19)

 

 

Car park1

Direct glare from windows and luminaires.

Car park2

Reflected glare on computer screen from ceiling luminaries.

 

If there are no luminaire specifications available you can also observe and experience the glare:

  • Is the luminaire causing you an unpleasant feeling to your eyes?
  • Is it blinding you?

 

Discomfort glare  it is difficult to see an object

   

Disability glare reduced visual performance

                         

 

 

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Events  

June 21

Webinar:  LED Scale-Up: Unlocking Smart City potential

Organized by The Climate Group in partnership with Signify

 

June 28

Webinar: Crowd Management for sports venues

Presented by Timmy Setiawan

 

July 26

Webinar: The 3 CLUE winners sharing their projects - Light and the senses

Presented by Santiago Bautista, Kareem Asfahani, Caroline Haydee De Carli and Joao Pedro Lopes Andrade

 

September 20

Climate Leadership - How to Go Carbon Neutral?

Presented by Renat Heuberger

 

October 25

Light in Space

 

November 16

Zen and the Art of Lighting Design

Presented by Peter A. Hugh


Paul Traynor
Paul Traynor
Marlyn Zelkowitz

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