Baseline demographics by responding to clear lens extraction (CLE) versus laser peripheral iridotomy (LPI)
| CLE (n=182) | LPI (n=187) | |||
| Good responder | Poor responder | Good responder | Poor responder | |
| Number (%) | 163 (89.6%) | 19 (10.4%) | 125 (66.8%) | 62 (33.2%) |
| Age (mean±SD) | 68.1±8.1 | 66.5±6.8 | 66.7±8.5 | 68.5±8.2 |
| Female (n (%)) | 93 (57.1%) | 14 (73.7%) | 68 (54.4%) | 38 (61.3%) |
| Chinese origin (n (%)) | 50 (30.7%)* | 0 (0%)* | 38 (30.4%) | 18 (29.0%) |
| Diagnosis (n (%)) | ||||
| PAC | 64 (39.3%) | 9 (47.4%) | 50 (40.0%) | 23 (37.1%) |
| PACG | 99 (60.7%) | 10 (52.6%) | 75 (60.0%) | 39 (62.9%) |
| Spherical equivalence, D (mean±SD) | +1.66±2.44 | +1.64±1.29 | +1.27±2.34 | +1.34±2.26 |
| Glaucoma medication used at baseline (n (%)) | 95 (61.3%) | 12 (63.2%) | 76 (63.3%) | 42 (68.9%) |
| Gonioscopy measurements | ||||
| Peripheral anterior synechiae, degree (mean±SD) | 42.4±78.7 | 14.2±43.2 | 46.0±80.9 | 38.6±72.3 |
| Irido-trabecular contact, degree (mean±SD) | 292.5±79.1 | 264.7±74.4 | 303.7±72.1 | 306.1±72.6 |
| IOLMaster (mean±SD) | ||||
| Axial length, mm | 22.53±0.93 | 22.69±0.56 | 22.59±0.98 | 22.71±1.05 |
| Anterior chamber depth, mm | 2.53±0.32* | 2.71±0.31* | 2.54±0.34 | 2.55±0.42 |
| Visual fields MD, dB (mean±SD) | −4.89±5.30 | −2.44±5.07 | −4.14±4.47 | −5.57±6.22 |
| Visual acuity, ETDRS letter | 76.8±11.8 | 77.4±20.5 | 76.0±14.2 | 74.5±14.1 |
| Intraocular pressure, mm Hg (mean±SD) | 29.64±8.13 | 29.47±7.19 | 29.59±6.87* | 32.31±9.18* |
| Central corneal thickness, ±m (mean±SD) | 550.1±38.0 | 557.6±40.9 | 554.9±41.5 | 545.6±36.6 |
Good responder defined by intraocular pressure<21 mm Hg at 36 months and not had additional lens extraction or glaucoma surgery.
* = statistically significantly different, p < 0.05.
MD, mean deviation; PAC, primary angle closure; PACG, primary angle closure glaucoma.