Table 1.
Visual evoked potential | Time after implantation (weeks) | Two-factor repeated-measure analysis of variance (ANOVA) P value | |||
---|---|---|---|---|---|
Condition | Before flash | After flash | |||
− 20 to 0 ms | 0–124 ms | 125–250 ms | |||
n = 7 for each class | Time point = 25 | Time point = 157 | Time point = 158 | ||
After overnight dark adaptation | 4 | Time course | >0.9999 | 0.9810 | <0.0001 |
1000 cd/m2, 10 μs = 0.01 cds/m2 | Classa | 0.0472 | 0.6297 | <0.0001 | |
Background 0 cd/m2 | 8 | Time course | >0.9999 | 0.0092 | <0.0001 |
0.5 Hz, 64 summation | Classa | >0.9999 | 0.5398 | 0.0132 | |
After 10 min light adaptation | 4 | Time course | 0.6431 | 0.0027 | 0.0389 |
1000 cd/m2, 3 ms = 3 cds/m2 | Classa | 0.9999 | >0.9999 | >0.9999 | |
Background 30 cd/m2 | 8 | Time course | 0.9917 | <0.0001 | <0.0001 |
1 Hz, 64 summation | Classa | 0.2039 | >0.9999 | <0.0001 |
aDye-coupled film implantation versus plain film implantation