Skip to content

The examination of parafoveal and perifoveal regions

The examination of parafoveal and perifoveal regions

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500097534
Enrollment
Unknown
Registered
2025-02-20
Start date
2024-04-17
Completion date
Unknown
Last updated
2025-02-24

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

Conditions

Macular disease

Interventions

Control group(healthy adults):None
Experimental group(Macular Disease Group):None

Sponsors

The Second Hospital of Jilin University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Adults who have no systemic diseases and can cooperate with examinations; 2. The individual or their guardian is able to complete the basic information filling; 3. Before participation, all subjects will be informed about the potential risks and consequences associated with the test and that their clinical data may be utilized for research purposes. Subsequently, each subject will provide their consent by signing an informed consent form.

Exclusion criteria

Exclusion criteria: 1. Age under 18 years 2. Spherical diopter greater than +6.0DS or less than -6.0DS, or cylindrical diopter greater than +3.0DC or less than -3.0DC 3. Anisometropia 4. Best corrected visual acuity less than 20/200 5. Previous surgery for eye disease

Design outcomes

Primary

MeasureTime frame
Stereoacuity;Visual acuity;Color vision;

Secondary

MeasureTime frame
Diopter;Contrast sensitivity function;

Countries

China

Contacts

Public ContactHuang Wu

The Second Hospital of Jilin University

wuhuang@jlu.edu.cn+86 188 4416 3776

Outcome results

None listed

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