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. Author manuscript; available in PMC: 2019 Mar 7.
Published in final edited form as: Prog Retin Eye Res. 2017 Dec 8;64:1–55. doi: 10.1016/j.preteyeres.2017.11.003

Fig. 33.

Fig. 33.

Number and sizes of the thresholded flow voids of a representative eye. (A) The distribution of the number of flow voids versus linearly binned sizes shows a high amount of skew with a long tail. (B) The probability density function shown in a log-log plot is nearly linear, demonstrating the power law characteristics. Because of the finite size of the image and the imaging of deeper vessels that have a looser packing density the actual relationship was hypothesized to be a truncated power law, which was confirmed by maximal likelihood methods. (C) The log number versus log size of the flow voids is shown in a log-log plot with logarithmic binning showing the linear relationship characteristic of a power law. Reprinted from Spaide (2016a).