Normalised data of steady state visual evoked potentials (VEPs) recorded from right and left eyes separately from rabbits after different treatment during surgery. Stimulation frequencies were 40, 50, and 60 Hz. The left/right ratios of the logarithms of the average amplitudes are shown
| Group, treatment | Frequency (Hz) | Mean | Difference compared with baseline; p value | ||||
|---|---|---|---|---|---|---|---|
| 40 | 50 | 60 | |||||
| Baseline before surgery | 0.97 | 1.04 | 0.96 | 0.991 | — | ||
| 1 BSS | 0.91 | 0.75 | 0.83 | 0.830 | <0.0600 | ||
| 2 MMC 0.2 | 0.64 | 0.53 | 0.35 | 0.506 | <0.0010 | ||
| 3 MMC 0.5 | 0.36 | 0.37 | 0.12 | 0.284 | <0.0001 | ||
BSS = balanced salt solution; MMC = mitomycin C; p value = Student’s t test; non-paired.