Baseline characteristics of recruits (20 eyes of 20 patients)
| Age (years) | ||
| Range | 26–82 | |
| Mean (SD) | 66 (13) | |
| Sex | ||
| Male | 3 (15%) | |
| Female | 17(85%) | |
| Spherical equivalent in operated eye | ||
| Range | (−4.25)–(3.0) | |
| Mean (SD) | −0.4 (2.3) | |
| Lens status | ||
| Phakic | 16 (80%) | |
| Pseudophakic | 4 (20%) | |
| LogMAR near visual acuity in surgery eye (number of letters) | ||
| Range | 12–70 | |
| Mean (SD) | 41 (15) | |
| LogMAR near visual acuity in fellow eye (number of letters) | ||
| Range | 37–75 | |
| Mean (SD) | 60 (9) | |
| Metamorphopsia (mean number of squares on the Amsler chart) | 132 (137) | |
| Size of epiretinal membrane,(disc areas) | ||
| Range | 4–36 | |
| Mean (SD) | 12 (8) | |
| Cause of epiretinal membrane | ||
| Idiopathic | 17 (85%) | |
| Uveitis | 2 | |
| Diabetic retinopathy | 1 |