Table 1.
Demographics and preoperative characteristics (n = 44 eyes of 31 patients)
| iStent inject (44 eyes) | |
|---|---|
| Gender M/F | 23/21 |
|
Age (years) Mean ± SD (range) |
71.3 ± 10.5 (40–88) |
| Race | 100% Caucasian |
|
C:D ratio Mean ± SD (range) |
0.8 ± 0.1 (0.5–1.0) |
|
VF MD (dB) Mean ± SD (range) |
– 6.4 ± 6.9 dB (− 24.4 to − 0.3) |
| Type of glaucoma n (%) | |
|
POAG PXG |
38 (86.4%) 4 (9.1%) |
| Appositional narrow anglea | 1 (2.3%) |
| Secondary (neovascular) | 1 (2.3%) |
| Mean medicated IOP (mmHg); mean ± SD | 25.3 ± 6.0 mmHg |
| Medicated IOP level (mmHg) n (%) | |
| ≤ 15 mmHg | 1 (2.3%) |
| ≤ 18 mmHg | 4 (9.1%) |
| Mean # medications; mean ± SD | 2.98 ± 0.88 |
| Eyes with prior glaucoma surgery n (%) | 22 (50.0%) |
| Prior glaucoma surgeries, n = 35 surgeriesb | |
| Trabeculectomy | 13 |
| CPC | 14 |
| ALT/SLT | 3 |
| Laser iridotomy | 2 |
| Single iStent | 1 |
| XEN implantation | 2 |
| Eyes on 3–5 preoperative medications, n (%) | 33 (75%) |
SD standard deviation, C:D cup to disc, VF MD visual field mean deviation, CPC cyclophotocoagulation, ALT argon laser trabeculoplasty, SLT selective laser trabeculoplasty
aEyes had open-angle configuration in the area of iStent inject implantation
bEyes could have more than one surgery (there were 35 surgeries in 22 eyes)