Table 7. Distribution of childhood glaucoma according to the Childhood Glaucoma Research Network classification.
| Study | Number of
glaucoma patients |
Population | PCG | JOAG | SCG-C | SCG-S | SCG-O | SCG-A |
|---|---|---|---|---|---|---|---|---|
| Hospital-based setting | ||||||||
| Current study | 338 | 2 Tertiary paediatric glaucoma clinics, Thailand | 88 (26%) | 8 (2.4%) | 33 (9.8%) | 32 (9.5%) | 97 (28.7%) | 80 (23.6%) |
| Senthil et al. 2019 | 275 | Tertiary eye care, India | 107(38.9%) | 38 (13.8%) | 22 (8%) | 16 (5.8%) | 48 (17.5%) | 44 (16%) |
| Mokbel et al. 2018 | 207 | Chief referral center, Egypt | 114 (55%) | 2 (1%) | 15 (7.2%) | 4 (2%) | 11 (5.3%) | 61 (29.5%) |
| Hoguet et al. 2016 | 122 | Tertiary childhood glaucoma clinic, USA | 39 (32%) | 9 (7.4%) | 22 (18%) | 14 (11.5%) | 10 (8.2%) | 28 (22.9%) |
| Fung et al. 2013 | 152 * | Dallas Glaucoma Registry, USA | 46 (30.3%) | 10 (6.6%) | 30 (19.7%) | 18 (11.8%) | 16 (10.5%) | 32 (21.1%) |
| Qiao et al. 2009 † | 948 | Hospitalized paediatric patients, Beijing, China | 486 (51.3%) | 63 (6.6%) | 125 (13.2%) | 40 (4.2%) | 61 (6.4%) | 173 (18.3%) |
| Taylor et al. 1999 † | 296 * | Hospital for sick children, Toronto, Canada | 117 (39.5%) | 7 (2.4%) | 61 (20.6%) | 32 (10.8%) | 38 (12.8%) | 41 (13.9%) |
| Barsoum-Homsy et al. 1986 | 63 | Paediatric glaucoma clinic, Montreal, Canada | 14 (22.2%) | 0 | 7 (11.1%) | 9 (14.2%) | 24 (38%) | 9 (14.2%) |
| Population-based setting | ||||||||
| Aponte et al. 2010 † | 30 | Olmstead county residents, Minnesota, USA | 1 (3.3%) | 4 (13.3%) | 6 (20%) | 4 (13.4%) | 2 (6.7%) | 13 (43.3%) |
| Papadppoulos et al. 2007 | 91 * | British Ophthalmic Surveillance Unit, Great
Britain and Republic of Ireland |
45 (49.4%) | 2 (2.2%) | 16 (17.6%) | 12 (13.2%) | 6 (6.6%) | 10 (11%) |
* We excluded patients who were glaucoma suspect or had an unknown diagnosis.
† The diagnosis was reclassified from the original articles to follow the CGRN classification.
PCG, primary congenital glaucoma; JOAG, juvenile open angle glaucoma; SCG-C, secondary glaucoma following cataract surgery; SCG-S, secondary glaucoma associated with non-acquired systemic condition; SCG-O, secondary glaucoma associated with ocular anomalies; SCG-A, secondary glaucoma associated with acquired conditions