Risk factors and prediction model of progression of angle closure in primary angle closure suspects: a cohort study

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2200062375

Enrollment

Unknown

Registered

2022-08-03

Start date

2022-10-01

Completion date

Unknown

Last updated

2023-04-12

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

primary angle closure suspects

Interventions

case series:None

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Aged over 50 years old; 2) No history of ocular surgery; 3) The refractive interstitium is transparent; 4) The trabecular meshwork of the functional part beyond 180 degrees cannot be seen under gonioscopy, and the intraocular pressure is normal, cup/disc ratio of < 0.7, difference in the vertical cup/disc ratio of < 0.2 between both eyes.

Exclusion criteria

Exclusion criteria: 1) There is a history of inner eye disease or inner eye surgery; 2) Peripheral anterior iris adhesions secondary to uveitis; 3) The opacity of the refractive interstitium affects the OCT imaging of the anterior segment; 4) Patients who cannot cooperate with the completion of the examination.

Design outcomes

Primary

Measure	Time frame
visual acuity;intraocular pressure;axial lengths;retinal nerve fiber layer thickness;ganglion cell complex thickness;peripapillary atrophy;	—

Countries

China

Contacts

Public ContactShuning Li

lishuningqd@163.com+86 13241802936

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026