Table 11.
Number and percentage of patients with mfERG P1-wave amplitude reduction or latency increase, and corresponding mean percentage changes in these values
| mfERG | Ring 1 | Ring 2 | Ring 3 | Ring 4 | Ring 5 | |
|---|---|---|---|---|---|---|
| Number of eyes | 20 | |||||
| P1 amplitude (μV) reduced in number of eyes (%) | 5 (25%) | 12 (60%) | 7 (35%) | 6 (30%) | 5 (20%) | |
| Mean reduction (%) | 24% | 25% | 21% | 18% | 19% | |
| P1 latency (ms) increased in number of eyes (%) | 9 (45%) | 10 (50%) | 6 (30%) | 4 (20%) | 5 (25%) | |
| Mean increase (%) | 10% | 8% | 5% | 3% | 5% |
Abbreviation: mfERG, multifocal electroretinogram.