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Influence of Macular Pigment on the Sensitivity to Discomfort Glare from Daylight

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Journal Sci Rep
Specialty Science
Date 2023 Oct 30
PMID 37899478
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Abstract

Understanding the factors that influence the human perception of glare is necessary to properly address glare risks in buildings and achieve comfortable visual environments, especially in the workplace. Yet large inter-individual variabilities in glare perception remain unexplained and thus uncovered by the current empirical glare models. We hypothesize that this variability has an origin in the human retina, in particular in the density of macular pigments present in its central area, which varies between individuals. Macular pigments are known to absorb blue light and attenuate chromatic aberration, thus reducing light scatter. This study presents the outcomes of the first experiment ever conducted in a daylit office environment, in which glare sensitivity and macular pigment density were measured and compared for 110 young healthy individuals, along with other ocular parameters. The participants were exposed to different glare conditions induced by the sun filtered through either color-neutral or blue-colored glazing. In neutral daylight conditions with sun disc in the near periphery, neither macular pigment nor any other investigated ocular factors have an impact on discomfort glare perception whereas glare perception in conditions with the blue-colored sun disc in the near periphery was found to be correlated with macular pigment optical density.

References
1.
Patterson E, Bargary G, Barbur J . Understanding disability glare: light scatter and retinal illuminance as predictors of sensitivity to contrast. J Opt Soc Am A Opt Image Sci Vis. 2015; 32(4):576-85. DOI: 10.1364/JOSAA.32.000576. View

2.
Bernstein P, Delori F, Richer S, van Kuijk F, Wenzel A . The value of measurement of macular carotenoid pigment optical densities and distributions in age-related macular degeneration and other retinal disorders. Vision Res. 2009; 50(7):716-28. PMC: 2840187. DOI: 10.1016/j.visres.2009.10.014. View

3.
Davies N, Morland A . Macular pigments: their characteristics and putative role. Prog Retin Eye Res. 2004; 23(5):533-59. DOI: 10.1016/j.preteyeres.2004.05.004. View

4.
Stringham J, Fuld K, Wenzel A . Spatial properties of photophobia. Invest Ophthalmol Vis Sci. 2004; 45(10):3838-48. DOI: 10.1167/iovs.04-0038. View

5.
Spearman C . The proof and measurement of association between two things. By C. Spearman, 1904. Am J Psychol. 1987; 100(3-4):441-71. View