Table 1.
Demographics and baseline ocular characteristics.
| Variable | Statistics (N = 86) |
|---|---|
| Age, years (SD) | 50.9 (18.4) |
| Sex, n male (%) | 27 (31%) |
| Race, n (%) | |
| White | 34 (40%) |
| Black | 19 (22%) |
| Hispanic | 20 (23%) |
| Asian | 13 (15%) |
| Study eye, n right (%) | 46 (53%) |
| Iris color, n (%) | |
| Brown | 68 (79%) |
| Blue | 16 (19%) |
| Green/hazel | 2 (2%) |
| Type of glaucoma, n (%) | |
| Normal | 40 (47%) |
| Primary open angle glaucoma | 11 (13%) |
| Primary open angle glaucoma suspect | 9 (10%) |
| Acute primary angle closure glaucoma | 2 (2%) |
| Primary angle closure glaucoma | 8 (9%) |
| Primary angle closure | 7 (8%) |
| Primary angle closure suspect | 9 (10%) |
| Average IOP, mm Hg (SD) | 14.8 (3.2) |
| Number of IOP-lowering medications, n (%) | |
| 0 | 69 (80%) |
| 1 | 10 (12%) |
| 2 | 4 (5%) |
| 3 | 3 (3%) |
| Previous ocular surgery, n (%) | |
| Argon laser trabeculoplasty | 1 (1%) |
| Cataract extraction | 3 (3%) |
| Laser peripheral iridotomy | 6 (7%) |
| Laser-assisted keratomileusis | 4 (5%) |
| Conjunctival abnormality, n (%) | 7 (8%) |
| Corneal abnormality, n (%) | |
| Punctate epithelial erosions | 5 (6%) |
| Punctate epithelial keratopathy | 3 (3%) |
| Superficial punctate keratitis | 31 (36%) |
| Others | 7 (8%) |
| Lens abnormality, n (%) | |
| Cataract | 53 (62%) |
| Posterior chamber intraocular lens | 3 (3%) |
| Spaeth grading by the 1st gonioscopic examiner, n (%) | |
| A: anterior to Schwalbe's line | 12 (14%) |
| B: between Schwalbe's line and scleral spur | 12 (14%) |
| C: scleral spur visible | 19 (22%) |
| D: ciliary body | 26 (30%) |
| E: beyond 0.1 mm of ciliary body | 17 (20%) |
| Presence of PASa (%) | 11 (13%) |
SD: standard deviation; IOP: intraocular pressure; PAS: peripheral anterior synechiae.
aMissing 2 data points.