Research Article
Evaluation of Fundus Function in Mature Cataract Patients by Visual Electrophysiology
Table 4
Changes in visual electrophysiology before and after cortical cataract surgery.
| | | Parameters | Before surgery | After surgery | t | |
| | PVEP | 1° P100 wave peak time (ms) | 110.83 ± 11.60 | 111.25 ± 11.27 | −0.145 | 0.886 | | 1° P100 wave amplitude (µV) | 5.97 ± 4.29 | 8.35 ± 5.64 | −3.529 | 0.002 | | 15′ P100 wave peak time (ms) | 116.72 ± 15.95 | 117.82 ± 11.98 | −0.34 | 0.736 | | 15′ P100 wave amplitude (µV) | 5.51 ± 2.45 | 10.31 ± 8.28 | −3.508 | 0.002 |
| | ffERG | DA 0.01 b-wave amplitude (µV) | 116.10 ± 53.71 | 136.47 ± 82.59 | −1.189 | 0.246 | | DA 3.0 a-wave amplitude (µV) | 185.88 ± 83.16 | 197.32 ± 87.67 | −1.249 | 0.223 | | DA 3.0 b-wave amplitude (µV) | 293.92 ± 127.64 | 320.19 ± 148.30 | −1.317 | 0.200 | | DA 10.0 a-wave amplitude (µV) | 232.49 ± 93.87 | 235.80 ± 94.41 | −0.352 | 0.728 | | DA 10.0 b-wave amplitude (µV) | 316.92 ± 129.77 | 338.83 ± 146.17 | −1.173 | 0.252 | | DA OP2 amplitude (µV) | 49.71 ± 25.19 | 52.07 ± 27.82 | −0.675 | 0.506 | | LA 3.0 a-wave amplitude (µV) | 39.84 ± 17.06 | 41.68 ± 17.77 | −1.019 | 0.318 | | LA 3.0 b-wave amplitude (µV) | 114.50 ± 49.41 | 135.50 ± 63.45 | −3.319 | 0.003 | | LA 30 Hz P2 wave amplitude (µV) | 96.07 ± 45.23 | 101.27 ± 58.19 | −0.804 | 0.429 |
| | mfERG | Ring1 amplitude density (nV/deg2) | 84.13 ± 32.35 | 124.97 ± 43.08 | −4.372 | <0.001 | | Ring2 amplitude density (nV/deg2) | 47.11 ± 19.96 | 59.49 ± 21.83 | −3.949 | 0.001 | | Ring3 amplitude density (nV/deg2) | 33.98 ± 14.33 | 35.11 ± 15.08 | −0.596 | 0.557 | | Ring4 amplitude density (nV/deg2) | 23.43 ± 9.04 | 22.58 ± 10.61 | 0.637 | 0.530 | | Ring5 amplitude density (nV/deg2) | 17.60 ± 7.46 | 20.05 ± 9.08 | −2.656 | 0.014 |
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