Research Article
Microperimetric Biofeedback Training Improved Visual Acuity after Successful Macular Hole Surgery
Table 2
Visual performance before and after the training.
| Patient number |
Period after operation (months) | Training (number of sessions) | Distance of foveal displacement (µm) | Decimal BCVA | Reading speed (words/min) | Fixation stability (%) | 63% BCEA (square degree) | Pre | Post | Pre | Post | Pre | Post | Pre | Post |
| 1 | 5 | 3 | 89.4 | 0.2 | 0.4 | 243 | 461 | 38 | 72 | 1.2 | 0.5 | 2 | 3 | 3 | 249.0 | 0.5 | 0.6 | 260 | 292 | 92 | 98 | 0.8 | 0.2 | 3 | 3 | 3 | 387.6 | 0.6 | 1.0 | 319 | 338 | 96 | 67 | 0.3 | 1.6 | 4 | 3 | 5 | 35.7 | 0.3 | 0.6 | 279 | 280 | 70 | 84 | 0.4 | 0.2 | 5 | 6 | 5 | 82.7 | 0.5 | 1.0 | 477 | 486 | 99 | 100 | 0.9 | 0.1 | 6 | 3 | 4 | 152.0 | 0.6 | 1.0 | 326 | 328 | 97 | 100 | 3.3 | 0.1 | 7 | 9 | 4 | 192.8 | 0.5 | 1.0 | 387 | 429 | 96 | 96 | 1.2 | 0.9 | 8 | 4 | 3 | 132.7 | 0.6 | 0.8 | 344 | 360 | 100 | 100 | 0.1 | 0.1 | 9 | 5 | 3 | 77.2 | 0.6 | 0.8 | 418 | 430 | 100 | 100 | 0.4 | 0.1 |
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BCVA: best corrected visual acuity; Pre: baseline values; Post: values at the end of training; BCEA: bivariate contour ellipse area.
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