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. 2011 Feb 1;2(3):464–470. doi: 10.1364/BOE.2.000464

Fig. 2.

Fig. 2

(a) An example of the time course of the rms wavefront error of one subject measured over a 6 mm pupil and sampled at 21 Hz. (b) A section of the signal in (a) scaled using Eqs. (4) and (5). Hurst exponent = 0.25.