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. Author manuscript; available in PMC: 2022 May 24.
Published in final edited form as: J Biomech. 2021 Apr 8;121:110427. doi: 10.1016/j.jbiomech.2021.110427

Fig. 3.

Fig. 3.

Natural frequency (NF) characterization for ~ 2.5×5 mm2 area (26 × 41 points; total time: 106.6 s) on the left and right corneas from two human subjects (stimulation: 13 Pa, 10 Hz). Panels (A)–(D) show the 2-D plots of the NF distributions and the corresponding means and SDs in the horizontal and the vertical directions. (E) Bar plots (means ± SDs) for the NF values corresponding to Panel(A) – Panel(D).