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RECOVERY TIME AFTER GLARE: An experimental investigation of glare after‐effect under night driving conditions
Author(s) -
Johansson Gunnar,
Ottander Chris
Publication year - 1964
Publication title -
scandinavian journal of psychology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.743
H-Index - 72
eISSN - 1467-9450
pISSN - 0036-5564
DOI - 10.1111/j.1467-9450.1964.tb01404.x
Subject(s) - glare , visibility , illuminance , adaptation (eye) , driving simulator , contrast (vision) , psychology , optics , simulation , optometry , computer science , computer vision , physics , medicine , materials science , layer (electronics) , composite material
Preliminary experiments suggest that the changes in adaptation level due to glaring light in a night traffic meeting situation give no practically important deterioration of visibility. To obtain a more complete answer, one experiment was done in a ‘real’ night driving situation, and two experiments were carried out using a glare simulator, aimed at quantifying the change in the level of adaptation in terms of redetection time of a target made invisible due to glare. The effect of three factors were studied: duration of glare, maximum illuminance of glare, and contrast ratio between background and target. The preliminary suggestions were fully confirmed.