Research Article
Evaluation of Fundus Function in Mature Cataract Patients by Visual Electrophysiology
Table 6
Changes in visual electrophysiology before and after posterior subcapsular cataract surgery.
| | | Parameters | Before surgery | After surgery | t | |
| | PVEP | 1° P100 wave peak time (ms) | 109.72 ± 14.99 | 107.15 ± 11.72 | 0.706 | 0.488 | | 1° P100 wave amplitude (µV) | 5.13 ± 3.04 | 5.99 ± 2.71 | −1.283 | 0.213 | | 15′ P100 wave peak time (ms) | 108.73 ± 14.88 | 120.61 ± 16.47 | −2.284 | 0.032 | | 15′ P100 wave amplitude (µV) | 4.94 ± 3.04 | 5.72 ± 3.58 | −0.871 | 0.393 |
| | ffERG | DA 0.01 b-wave amplitude (µV) | 107.93 ± 72.88 | 81.72 ± 51.03 | 2.45 | 0.023 | | DA 3.0 a-wave amplitude (µV) | 171.89 ± 115.26 | 169.75 ± 98.69 | 0.255 | 0.801 | | DA 3.0 b-wave amplitude (µV) | 267.17 ± 156.94 | 262.35 ± 146.85 | 0.433 | 0.669 | | DA 10.0 a-wave amplitude (µV) | 209.48 ± 129.91 | 200.00 ± 111.63 | 0.977 | 0.339 | | DA 10.0 b-wave amplitude (µV) | 290.46 ± 169.66 | 278.38 ± 151.07 | 0.905 | 0.375 | | DA OP2 amplitude (µV) | 36.78 ± 23.03 | 36.77 ± 20.62 | 0.004 | 0.997 | | LA 3.0 a-wave amplitude (µV) | 31.80 ± 18.05 | 34.90 ± 21.79 | −1.639 | 0.116 | | LA 3.0 b-wave amplitude (µV) | 97.92 ± 49.80 | 114.02 ± 66.99 | −2.331 | 0.029 | | LA 30 Hz P2 wave amplitude (µV) | 81.53 ± 49.45 | 87.11 ± 53.84 | −1.344 | 0.193 |
| | mfERG | Ring1 amplitude density (nV/deg2) | 92.72 ± 52.61 | 103.98 ± 38.43 | −0.953 | 0.351 | | Ring2 amplitude density (nV/deg2) | 48.04 ± 22.84 | 49.60 ± 19.68 | −0.545 | 0.591 | | Ring3 amplitude density (nV/deg2) | 32.14 ± 15.97 | 29.01 ± 13.90 | 1.472 | 0.155 | | Ring4 amplitude density (nV/deg2) | 20.94 ± 11.40 | 20.69 ± 8.46 | 0.155 | 0.878 | | Ring5 amplitude density (nV/deg2) | 16.28 ± 9.31 | 17.79 ± 9.65 | −1.55 | 0.135 |
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