Table 1.
Baseline demographic and ocular characteristics
| Baseline characteristics | n = 47 |
|---|---|
| Age (years; mean ± SD) | 70.9 ± 6.8 |
| Gender (% M/F) | 43%/57% |
| Race |
94% White (44/47) 6% African American (3/47) |
| Surgery | |
| iStent + phaco | 45 (96%) |
| iStent inject + phaco | 2 (4%) |
|
IOP (mmHg) Mean ± SD |
17.4 ± 4.2 |
| Glaucoma medications | |
| Mean ± SD | 1.5 ± 0.9 |
| Range | (1–4) |
| Prescription ocular surface medications % (n) | 2.1% (1/47)a |
| Ocular Surface Disease Index (OSDI) | |
| Mean ± SD | 40.1 ± 21.6 |
| Range | (8.3–95.8) |
| OSDI quartiles | |
| 0–12 Normal | 4 (9%) |
| 13–22 Mild | 9 (19%) |
| 23–32 Moderate | 6 (13%) |
| 33–100 Severe | 28 (60%) |
| Conjunctival hyperemia (Efron Scale) | |
| Mean ± SD | 1.4 ± 0.7 |
| Range | (0–3) |
| Efron severities | |
| 0: Normal, no action required | 3 (6%) |
| 1: Trace; action rarely required | 22 (47%) |
| 2: Mild; action may be required | 21 (45%) |
| 3: Moderate; action usually required | 1 (2%) |
| 4: Severe; action certainly required | 0 (0%) |
| Corneal/conjunctival staining (Oxford Schema) | |
| Mean ± SD | 1.4 ± 1.0 |
| Range | (0–3) |
| Oxford severities | |
| 0: Absent | 9 (19%) |
| 1: Minimal | 19 (40%) |
| 2: Mild | 12 (26%) |
| 3: Moderate | 7 (15%) |
| 4: Marked | 0 (0%) |
| 5: Severe | 0 (0%) |
| Fluorescein tear break-up time (FTBUT) in (seconds)b | |
| Mean ± SD | 4.3 ± 2.4 |
aOne eye was on Restasis preoperatively
bAbnormal if < 10 s