Diagnostic criteria for PACG in population based research
| Country | Symptoms | IOP | Gonioscopy | Disc damage | Field loss | PT | Acute attack |
|---|---|---|---|---|---|---|---|
| A = absolute requirement, + = additional feature sufficient for diagnosis combined with absolute requirement, − = not required/not done | |||||||
| PT = provocative testing, VF = visual fields, IOP = intraocular pressure, gonio = findings on gonioscopic examination. | |||||||
| Greenland30 | + (with PT or IOP) | + | A | − | − | + | + |
| Alaska31 | + | + (with VF) | A | + | + (with IOP) | − | − |
| China32 | + | + | + | − | − | − | − |
| Tibet33 | + | + | + | − | − | − | + |
| Japan34 | − | + (with gonio) | + (with IOP) | − | − | − | − |
| South Africa7 | + | + | A | + (with VF loss) | + (with disc) | − | − |
| Mongolia2 | + | + | A | + (with VF loss) | + (with disc) | − | − |
| Taiwan8 | − | + | A | − | − | + | + |