Table 1 Comparison of P1-N2-P2 parameters of VEP before and after X-ray radiation.
| Â | Day 0 | Day 3 | Day 7 | Day 14 |
|---|---|---|---|---|
10 Gy | ||||
Latency, ms | ||||
 P1 | 72.6 ± 5.3 | 81.0 ± 5.7 | 94.3 ± 4.6* | 100.3 ± ± 3.8** |
 P2 | 98.7 ± 3.3 | 114.2 ± 3.5** | 123.8 ± 4.7** | 128.8 ± 4.6** |
Amplitude, uv | ||||
 N2-P2 | 4.1 ± 0.4 | 1.5 ± 0.2** | 0.8 ± 0.1*** | 1.0 ± 0.2*** |