Clinical Study
Clinical Outcomes of Peripheral Iridotomy in Patients with the Spectrum of Chronic Primary Angle Closure
Table 1
Baseline ocular characteristics.
| Variables |
All eyes () | CPAC spectrum disease | PACS () | CPAC () | CPACG () |
| Best corrected visual acuity |
| 10× logMAR, mean SD | 0.9 ± 1.1 | 0.7 ± 1.1 | 1.2 ± 1.1 | 0.9 ± 1.2 | 20/25 or better, (%) | 55 (69.7) | 19 (76.0) | 18 (60.0) | 18 (75.0) |
| Cataract grade |
| 0, (%) | 9 (11.4) | 4 (16.0) | 5 (16.7) | 0 (0.0) | 1, (%) | 39 (49.4) | 16 (64.0) | 10 (33.3) | 13 (54.2) | 2, (%) | 21 (26.6) | 4 (16.0) | 10 (33.3) | 7 (29.2) | 3, (%) | 10 (12.7) | 1 (4.0) | 5 (16.7) | 4 (16.7) |
| IOP |
| IOP with or without medical treatment (mm Hg), mean SD | 20.0 ± 6.0 | 16.0 ± 3.0 | 22.0 ± 5.7 | 21.6 ± 6.7 | Number of IOP-lowering medications | | | | | 0, (, %) | 43 (54.4) | 25 (100.0) | 12 (40.0) | 6 (25.0) | 1, (, %) | 20 (25.3) | 0 (0.0) | 13 (43.3) | 7 (29.2) | 2, (, %) | 9 (11.4) | 0 (0.0) | 5 (16.7) | 4 (16.7) | 3, (, %) | 7 (8.9) | 0 (0.0) | 0 (0.0) | 7 (29.2) | Mean ± SD | 0.75 ± 0.98 | 0.0 ± 0.0 | 0.8 ± 0.7 | 1.5 ± 1.2 |
| Gonioscopy examination |
| Degrees of angle depth | | | | | 0, (%) | 9 (11.4) | 0 (0.0) | 5 (16.7) | 4 (16.7) | 10, (%) | 18 (22.8) | 8 (32.0) | 5 (16.7) | 6 (25.0) | 20, (%) | 50 (63.3) | 17 (68.0) | 18 (60.0) | 14 (58.2) | 30, (%) | 2 (2.5) | 0 (0.0) | 2 (6.7) | 0 (0.0) | PAS, (%) | 10 (12.7) | 0 (0.0) | 5 (16.7) | 5 (20.8) |
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PAS: peripheral anterior synechiae; IOP: intraocular pressure; CPAC: chronic primary angle closure; PACS: primary angle closure suspect; CPACG: chronic primary angle closure glaucoma.
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