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. 2020 Dec 18;9(13):33. doi: 10.1167/tvst.9.13.33

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Figure 9. — Corneal axial displacement and strain from two subjects of similar IOP and OPA. The bandpass-filtered cCAD over the cycles of interest are shown in (A). The trough (circle) and peak (triangle) of one cycle were selected from each curve to identify the two frames for axial displacement calculation using ultrasound speckle tracking. Corneal axial strains (B) were substantially different (−0.03% vs −0.42%, 14 folds) between the two subjects, which may be due to different structural and biomechanical properties of the corneas.