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Luuk Franssen, Joris E. Coppens, Thomas J. T. P. van den Berg; Modulation depth threshold in the Compensation Comparison approach. Journal of Vision 2007;7(1):8. doi: https://doi.org/10.1167/7.1.8.
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© ARVO (1962-2015); The Authors (2016-present)
Recently, the “Compensation Comparison” method was introduced for measuring retinal straylight. In this article, basic aspects are described, in particular a generalization of the approach using the concept of “precompensation,” and including flicker threshold as parameter in the psychophysical model. The model was experimentally verified in lab measurements with and without artificially increased straylight and was tested on the data from the multi-center GLARE study. The resulting flicker threshold estimates were analyzed to better understand their origin. An effect of flicker adaptation over distance was found. The new approach proved suitable to describe Compensation Comparison measurements including precompensation, and also for subjects with poor psychometric behavior.
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