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Intraocular pressure fluctuations after mydriasis in patients with pigment dispersion syndrome

Intraocular pressure fluctuations after mydriasis in patients with pigment dispersion syndrome

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2100046005
Enrollment
Unknown
Registered
2021-05-02
Start date
2021-07-01
Completion date
Unknown
Last updated
2021-12-13

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

Conditions

pigment disoersion syndrome

Interventions

observation group:0.5% compound tropicamide eye drops

Sponsors

Beijing Tongren Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 50 Years

Inclusion criteria

Inclusion criteria: 1. Diagnosis criteria of pigment dissemination syndrome (have any two of the following three signs at the same time): (1) Vertical fusiform pigment particles in the middle and lower part of the posterior cornea; (2) Pigment granule deposition of the lens suspensory ligament and/or vitreous anterior limiting membrane ligament; (3) Uniform pigmentation of trabecular meshwork (Scheie's room role element classification >= Grade II); 2. Aged 18-50 years, have not received IOP lowering treatment, or have stopped IOP lowering treatment for more than 3 weeks; 3. Able to measure intraocular pressure in sitting position; 4. Patients are willing to participate in this research project and sign an informed consent form.

Exclusion criteria

Exclusion criteria: 1. Possess other eye diseases of the eye (except pigment dissemination syndrome), or serious basic diseases of the whole body; 2. Past eye surgery or laser treatment history; 3. After enrollment, patients who applied to withdraw from this research project for any reason.

Design outcomes

Primary

MeasureTime frame
intraocular pressure;

Countries

China

Contacts

Public ContactQing Guoping

Beijing Tongren Hospital

gptsing@126.com+86 15801224486

Outcome results

None listed

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