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. Author manuscript; available in PMC: 2014 May 1.
Published in final edited form as: J Opt Soc Am A Opt Image Sci Vis. 2014 Apr 1;31(4):A140–A147. doi: 10.1364/JOSAA.31.00A140

Fig. 1.

Fig. 1

Circles: predictions for LvsM and SvsLM contrast settings needed to maintain a balanced purple for full macular pigment (solid line) and for macular pigment reductions of 0.1 to 0.3 log units (dashed lines). Triangles: actual settings by observers MW and SO for foveal settings (solid symbols and solid line) or peripheral settings at 8° (empty symbols and dashed line).