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Glare
Glare is the word given to a problematical distribution of luminance and/or excessive luminance contrast in the field of vision which causes disturbed vis...
Thu, 23 Jun, 2016 at 3:27 PM
Glare - Direct Glare
Glare originating directly at the light source. The degree of direct glare depends on the size and luminance of the visible luminous areas of all the lumi...
Fri, 24 Jun, 2016 at 11:06 AM
Glare - Direct Glare Control
Various methods have been developed in different countries for assessing the risk of direct glare from a lighting system, e.g. Visual Comfort Probability, ...
Fri, 24 Jun, 2016 at 11:38 AM
Glare - Discomfort Glare
Glare that is perceived solely as a subjective discomfort without causing any significant loss of visual performance. If it persists, however, discomfor...
Fri, 24 Jun, 2016 at 11:56 AM
Glare - Physiological Glare
Glare that causes a loss of visual performance (e.g. reduced perception of shapes and capacity for discrimination caused by glare from the headlights of...
Fri, 24 Jun, 2016 at 1:13 PM
Glare - Planning with the Luminance Limiting Method
Luminaire specifications generally include a luminance limiting diagram (Söllner) pursuant to EN 12464 or CIE 29/2. This shows the directly visible mean...
Wed, 29 Jun, 2016 at 9:16 AM
Glare - Planning with the UGR Method
The Unified Glare Rating method (UGR) has been developed by the CIE (Commission International de l'Eclairage) in order to harmonise glare classificat...
Fri, 24 Jun, 2016 at 1:23 PM
Glare - Reflected Glare
Glare and loss of contrast caused by reflections from luminous objects (e.g. on glossy paper or computer screens). In general, reflections lead to reduced...
Fri, 24 Jun, 2016 at 1:24 PM