Dark adaptometry | Cone | Rod |
Final dark adapted thresholds after 45 min (log units) | −1.4 | −1.0 |
EOG | OD | OS |
Arden Index (%) [>200%] | 109 | 128 |
Rod ERG | Rod ERG | |
OD | OS | |
a implicit time (ms) [38.86+/-3.31] | 25 | 24 |
b implicit time (ms) [85+/-19.56] | 59 | 58 |
a amplitude (μV) [52.29+/-51.21] | 62 | 34 |
b amplitude (μV) [250.2+/-143.3] | 57 | 62 |
Cone ERG | ||
OD | OS | |
a implicit time (ms) [16.42+/-1.34] | 18 | 17 |
b implicit time (ms) [27.75+/-1.73] | 36 | 38 |
a amplitude (μV) [38.52+/-23.95] | 11 | 5.0 |
b amplitude (μV) [128.7+/-46.9] | 16 | 9.0 |
Maximal ERG (standard flash) | ||
OD | OS | |
a implicit time (ms) [16.86+/-3.41] | 25 | 24 |
b implicit time (ms) [46.79+/-14.74] | 59 | 58 |
a amplitude (μV) [179.8+/-106.1] | 62 | 34 |
b amplitude (μV) [333.2+/-201.1] | 57 | 62 |
PERG P50 | OD | OS |
Implicit time (ms) [51.6+/-2.8] | NMC | 59 |
Amplitude (μV) [4.1+/-1.7] | NMC | 1.5 |
30 Hz ERG | OD | OS |
Implicit time (ms) [24.33+/-1.97] | 36 | 37 |
Amplitude (μV) [106.8+/-32.55] | 21 | 19 |
*Normal values in square brackets.
EOG, electro-oculogram; ERG , electroretinogram; ms, milliseconds; NMC, no measurable components; OD, right ; OS, left; PERG, pattern electroretinogram; μV, microvolts.