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. Author manuscript; available in PMC: 2014 Aug 4.
Published in final edited form as: Invest Ophthalmol Vis Sci. 2014 Mar 13;55(3):1549–1554. doi: 10.1167/iovs.13-13042

Figure. Speed of sound measurements of cross-linked corneas from groups A, B, and C and their contralateral control from the anterior to the posterior regions of the stroma.

Figure

Note the sharp change in speed of sound at 300 to 400 microns in each of the cross-linked corneas.