Table 1.
Clinical characteristics of the study patients.
| Clinical characteristic | |
|---|---|
| Age (y) | 55.4 ± 13.6 (18–75) |
| Sex (male/female) | 45/15 |
| Best-corrected visual acuity (logMAR) | 0.1 ± 0.2 (−0.3–0.3) |
| Spherical equivalent (D) | −1.4 ± 1.9 (−8.5–2.0) |
| Axial length (mm) | 23.6 ± 1.7 (21.6–27.4) |
| Central corneal thickness (µm) | 538.2 ± 33.3 (486–606) |
| Disc area (mm2) | 2.2 ± 0.4 (1.52–2.98) |
| Disc haemorrhage presence, n (%) | 5 (8.3) |
| Diagnosis, n (%) | |
| Primary open-angle glaucoma | 29 (48.3) |
| Chronic angle-closure glaucoma | 9 (15.0) |
| Uveitis associated glaucoma | 9 (15.0) |
| Pseudoexfoliation glaucoma | 8 (13.3) |
| Steroid induced glaucoma | 5 (8.3) |
| Preoperative peak IOP (mmHg)* | 37.4 ± 10.8 (20–58) |
| Average RNFL thickness (µm) | 75.6 ± 17.7 (54–112) |
| Average GCIPL thickness (µm) | 66.7 ± 12.6 (45–97) |
| Mean deviation (dB) | −19.3 ± 9.6 (−31.0–−1.5) |
| Pattern standard deviation (dB) | 6.5 ± 3.1 (1.72–15.3) |
| Visual field index (%) | 54.3 ± 33.2 (2.0–98.0) |
| Follow-up period (months) | 12.4 ± 1.2 (10.0–15.0) |
logMAR = logarithm of the minimum angle of resolution, D = dioptres, IOP = intraocular pressure, RNFL = retinal nerve fibre layer, GCIPL = ganglion cell layer plus inner plexiform layer.
Continuous variables are expressed as means ± standard deviation (range).
*The highest IOP among those measured between 1 month and 1 day before surgery.