Table 1.
Patient characteristics
| No. of eyes (patients) | 31 (31) |
| Age in years, mean (SD) | 67.98 (11.35) |
| Race | |
| White, n (%) | 31 (100%) |
| Sex | |
| Men, n (%) | 14 (45.1) |
| Women, n (%) | 17 (54.8) |
| Eye | |
| Right, n (%) | 17 (54.8) |
| Left, n (%) | 14 (45.1) |
| Time from trabeculectomy (months) | |
| Mean (SD) | 32.77 (14.57) |
| Minimum–maximum | 7.7–66.0 |
| IOP (mmHg), mean (SD) | 24.8 (3.86) |
| Visual field MD (dB), mean (SD) | − 6.17 (1.88) |
| Visual filed PSD (dB), mean (SD) | 8.85 (2.12) |
| Stage of the disease (GSS2), n (%) | |
| Stage 2 | 3 (9.68) |
| Stage 3 | 23 (74.19) |
| Stage 4 | 5 (16.13) |
| Number of glaucoma medications (SD) | 3.29 (0.64) |
| BCVA, decimal notation (SD) | 0.57 (0.19) |
| Site of implantation | |
| Temporal n (%) | 29 (93.5%) |
| Nasal n (%) | 2 (6.4%) |
SD standard deviation, IOP intraocular pressure, MD mean deviation, PSD pattern standard deviation, GSS2 Glaucoma Staging System 2, BCVA best corrected visual acuity