Figure 2
In vivo Brillouin measurements of normal corneas. (A) Brillouin frequency shifts measured at corneal centers in healthy subjects of various ages (n = 47, 39 ± 13 y/o, 51% female). Broken line depicts a linear regression fit with a slope of 0.3 × age MHz/year, with Pearson’s p = 0.06, r2 = 0.08. (B) Comparison of Brillouin shifts between the left (OS) and right (OD) eyes of each subject (n = 37). No statistically significant difference is found. (C) Distribution of OD-OS difference (mean: 0.0018 ± 0.007 GHz), from 37 subjects whose eyes were both scanned (38 ± 14 y/o, 60% female).
