Research Article
Evaluation of Fundus Function in Mature Cataract Patients by Visual Electrophysiology
Table 5
Changes in visual electrophysiology before and after nuclear cataract surgery.
| | | Parameters | Before surgery | After surgery | t | |
| | PVEP | 1° P100 wave peak time (ms) | 111.74 ± 14.46 | 112.87 ± 20.88 | −0.22 | 0.828 | | 1° P100 wave amplitude (µV) | 5.29 ± 3.81 | 6.01 ± 2.47 | −0.979 | 0.337 | | 15′ P100 wave peak time (ms) | 109.71 ± 17.20 | 118.86 ± 24.65 | −1.406 | 0.172 | | 15′ P100 wave amplitude (µV) | 5.17 ± 4.29 | 5.24 ± 3.05 | −0.071 | 0.944 |
| | ffERG | DA 0.01 b-wave amplitude (µV) | 85.06 ± 53.29 | 83.13 ± 47.44 | 0.201 | 0.842 | | DA 3.0 a-wave amplitude (µV) | 129.86 ± 70.56 | 150.07 ± 60.71 | −2.432 | 0.022 | | DA 3.0 b-wave amplitude (µV) | 246.00 ± 107.59 | 264.81 ± 115.32 | −1.054 | 0.302 | | DA 10.0 a-wave amplitude (µV) | 168.89 ± 80.73 | 187.07 ± 64.57 | −2.136 | 0.042 | | DA 10.0 b-wave amplitude (µV) | 275.25 ± 107.27 | 287.07 ± 112.97 | −0.713 | 0.482 | | DA OP2 amplitude (µV) | 37.14 ± 18.07 | 35.41 ± 15.73 | 0.544 | 0.591 | | LA 3.0 a-wave amplitude (µV) | 32.14 ± 17.00 | 34.11 ± 15.49 | −0.711 | 0.483 | | LA 3.0 b-wave amplitude (µV) | 91.50 ± 53.22 | 129.61 ± 92.45 | −2.309 | 0.029 | | LA 30 Hz P2 wave amplitude (µV) | 76.83 ± 41.25 | 83.63 ± 41.66 | −2.242 | 0.034 |
| | mfERG | Ring1 amplitude density (nV/deg2) | 81.73 ± 32.68 | 96.36 ± 28.77 | −2.377 | 0.025 | | Ring2 amplitude density (nV/deg2) | 45.68 ± 18.80 | 49.06 ± 17.31 | −1.376 | 0.180 | | Ring3 amplitude density (nV/deg2) | 30.53 ± 10.81 | 28.82 ± 10.87 | 1.059 | 0.299 | | Ring4 amplitude density (nV/deg2) | 19.67 ± 8.33 | 20.51 ± 8.00 | −0.901 | 0.376 | | Ring5 amplitude density (nV/deg2) | 15.44 ± 7.37 | 16.99 ± 7.29 | −1.689 | 0.103 |
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