Clinical Study

Posterior Corneal Surface Stability after Femtosecond Laser-Assisted Keratomileusis

Figure 3

Spearman’s coefficient of rank correlation (ρ) between percentage of corneal ablation and changes in posterior corneal curvature (mm) at 1 month (a), 6 months (b), and one year (c).
(a)
(b)
(c)