Clinical Study

Novel Technique of Transepithelial Corneal Cross-Linking Using Iontophoresis in Progressive Keratoconus

Figure 3

Graph showing readings (D) compared with baseline at 3 days, 1 week, and 1, 3, and 6 months after T-ionto CL (black curve) and standard CL (grey curve). Bars indicate ± standard deviation. On average, both procedures halted progression of keratoconus during 6 months of follow-up.