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Study on the changes and effects of vitreoretinal interface and its impact on the clinical prognosis in PDR patients after PRP based on OCT

Study on the changes and effects of vitreoretinal interface and its impact on the clinical prognosis in PDR patients after PRP based on OCT

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500095095
Enrollment
Unknown
Registered
2025-01-01
Start date
2025-01-01
Completion date
Unknown
Last updated
2025-01-06

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

Conditions

diabetic retinopathy

Interventions

PDR patients:None

Sponsors

Zhongshan People's Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Voluntary signing of informed consent form; 2. Age range: 18-80 years old; 3. Diagnosed with PDR According to the DR international classification 4. Clarity of the refractive medium, the degree of pupil dilation, and the degree of cooperation of the subjects to meet the requirements for standard PRP, obtaining clear fundus photography, and qualified OCT images in the study eye; 5. Patients who require panretinal photocoagulation treatment according to the judgment of the physician

Exclusion criteria

Exclusion criteria: 1. Received laser or PRP treatment (defined as retinal laser photocoagulation with more than 100 points); 2. During the follow-up period of the study, the subjects may have other serious eye diseases that may affect their vision, such as RVO or RAO NVG Uveitis, etc; 3. The subject has severe cataracts that cause vision loss of 3 lines or more; 4. Four months before enrollment or expected to undergo major eye surgeries (including PPV, cataract extraction, etc.) within the next six months; 5. YAG posterior capsulotomy performed within 2 months before enrollment; 6. Amorphous eyes, uncontrolled glaucoma, severe external eye infections, etc; 7. Participants who are not suitable for this study according to the researcher's judgment.

Design outcomes

Primary

MeasureTime frame
Changes in vitreoretinal interface;

Secondary

MeasureTime frame
Visual accurity;Mean thickness of macular fovea;

Countries

China

Contacts

Public ContactWenbin Zheng

Zhongshan People's Hospital

zhengwenbin90@163.com+86 198 6858 9776

Outcome results

None listed

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