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We calculated the total optical density (OD) of paramacular RPE-melanin versus wavelength of incident radiation with Eqs 4–6 based on results of Monte-Carlo simulations. Colored lines indicate attenuation in healthy people of different ages: 20 (red), 40 (green), and 60 (orange). The same is shown for a 20-year old patient with STGD1 (black).
