Table 1.
Electroretinographic findings in the patient II.I
| OD II.I | OS II.I | control (mean) | limit | |
|---|---|---|---|---|
| scotopic ERG -25 dB | ||||
| b-wave (μV) | 90.3 | 59.8 | 244.8±79.7 | 85.4 |
| implicit time (msec) | 87.8 | 93.3 | 86.9±7.5 | 101.9 |
| scotopic ERG 0 dB | ||||
| a-wave (μV) | 221.0 | 184.0 | 233.0±62.0 | 109.0 |
| implicit time (msec) | 22.3 | 25.8 | 18.4±2.6 | 23.6 |
| b-wave (μV) | 446.0 | 492.0 | 411.7±101.6 | 208.5 |
| implicit time (msec) | 57.8 | 54.9 | 50.3±3.2 | 56.7 |
| scotopic ERG 5 dB | ||||
| a-wave (μV) | 267.0 | 270.0 | 282.8±72.3 | 138.2 |
| implicit time (msec) | 24.1 | 24.7 | 15.5±0.7 | 16.9 |
| b-wave (μV) | 492.0 | 437.0 | 444.4±106.2 | 232.0 |
| implicit time (msec) | 54.9 | 58.7 | 52.2±4.4 | 61.0 |
| photopic ERG 0 dB | ||||
| a-wave (μV) | 44.6 | 67.7 | 41.2±12.8 | 15.6 |
| implicit time (msec) | 17.0 | 17.9 | 14.9±1.3 | 17.5 |
| b-wave (μV) | 146.0 | 147.0 | 144.3±41.8 | 60.7 |
| implicit time (msec) | 38.2 | 38.2 | 31.9±1.1 | 34.1 |
| Flicker 30 Hz | ||||
| amplitude (μV) | 65.3 | 62.0 | 119.5±36.1 | 47.3 |
| implicit time (msec) | 34.1 | 30.5 | 28.2±1.1 | 30.4 |
International Society for Clinical Electrophysiology of Vision (ISCEV) standard photopic and scotopic ERG responses (Marmor, et al., 2009). Normal limit (limit) corresponds to: mean – 2 x SD. Off limit results of the patient are in italic.