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Evaluation of the effect of diabetes on the retina using optical coherence tomography angiography: a retrospective study based on medical records.

Evaluation of the effect of diabetes on the retina using optical coherence tomography angiography: a retrospective study based on medical records

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR1900028128
Enrollment
Unknown
Registered
2019-12-13
Start date
2019-12-13
Completion date
Unknown
Last updated
2020-03-16

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

Conditions

Diabetic retinopathy

Interventions

Control:N/A
NDR:N/A
Mild NPDR:N/A
Moderate NPDR:N/A
Severe NPDR:N/A
PDR:N/A

Sponsors

The First Affiliated Hospital of Harbin Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: aged >= 18 years, IOP <= 21 mm Hg, VA < log MAR 1.0, and SE between +1.00 and -6.00 D.

Exclusion criteria

Exclusion criteria: (1) other significant eye diseases unrelated to diabetes (including hypertensive retinopathy, retinal vascular occlusion, age-related macular degeneration, and uveitis); (2) major intraocular surgery (including vitrectomy, cataract extraction, scleral buckling and glaucoma) performed in the past 6 months and a history of laser photocoagulation or intravitreal injection; (3) glaucoma or first-degree relatives with a family history of glaucoma; (4) any disease that causes poor scan quality (image quality = 300 µm in OCT.

Design outcomes

Primary

MeasureTime frame
SVC VD;DVC VD;Parafovea SVC VD;Parafovea DVC VD;Perifovea SVC VD;Perifovea DVC VD;Retina Thickness;—

Countries

China

Contacts

Public ContactHong Zhang

The First Affiliated Hospital of Harbin Medical University

13804505456@163.com+86 13804505456

Outcome results

None listed

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