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. 2012 Sep 27;20(21):23414–23421. doi: 10.1364/OE.20.023414

Fig. 3.

Fig. 3

OCT-determined characteristics of surgeon tremor with freehand use. (a) Three attempting to hold steady at a defined offset height of 1000 µm: freehand use (5 seconds, 30 seconds), motion compensation on a dry phantom. Each shows the simple representative of the other nine data sets. (b) Fourier analyses and histograms of three signals.