An inexpensive portable instrument is described for the paired comparison observation of direct discomfort glare in interior lighting installations. It is useful for field tests where it complements glare assessment by verbal statements.
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References
1.
Guth, S.K. and McNelis, J.F., A Discomfort Glare-Evaluator, Illum. Engng., 54, 398 (1958).
2.
Einhorn, H.D. , Glare facts and formulations, Proc . CIE 17, (Barcelona) Paper 71.03 (1971).
