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retinal vessel density after acute primary angle closure episode

Changes in retinal vessel density after acute primary angle closure episode via OCT angiography

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2000039687
Enrollment
Unknown
Registered
2020-11-05
Start date
2020-12-01
Completion date
Unknown
Last updated
2021-02-16

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

Conditions

Glaucoma

Interventions

APAC group:Nil
the contralateral eyes without attack:Nil

Sponsors

Li Nie
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: (1) Unilateral APAC resolved by PEI-GSL; (2) IOP less than 21mmHg without glaucoma medications; (3) The unaffected eye had no symptoms or signs of acute angle-closure attack, glaucomatous optic neuropathy, or reproducible visual field (VF) loss. (4) Reliable perimetry results with fixation loss < 33%, false negative error rate < 25% and false positive error rate < 15%).

Exclusion criteria

Exclusion criteria: (1) A history of trauma, uveitis, retinal disease or intraocular surgery except phacoemulsification or laser peripheral iridectomy (LPI); (2) Spherical equivalent refractive error greater than +6 or –6 diopters; (3) Poor quality of optical coherence tomography (OCT) and OCTA and scans within signal strength index (SSI) < 48, poor clarity, poor segmentation and motion artifact.

Design outcomes

Primary

MeasureTime frame
peripapillary vessel density;visual field;retinal nerve fiber layer thickness;macular vessel density;—

Countries

China

Contacts

Public ContactLi Nie

Department of Glaucoma, Affiliated Eye Hospital, School of Ophthalmology and Optometry, Wenzhou Medical University

26780197@qq.com+86 15068852012

Outcome results

None listed

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