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Comparison of two Ultra-widefield imaging techniques for preoperative fundus examination in patients with cataract

Comparison of two Ultra-Widefield Imaging Techniques for preoperative fundus examination in patients with cataract

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600131146
Enrollment
Unknown
Registered
2026-08-28
Start date
2026-09-01
Completion date
Unknown
Last updated
2026-08-31

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

Conditions

Cataract

Interventions

Gold Standard:One week after cataract surgery, patients underwent Optos P200T and OCT follow-up examinations, with FFA and ICGA performed when necessary. Experienced fundus specialists reviewed the im
Index test:Optos P200T
OCT

Sponsors

Changsha Aier Eye Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
50 Years to 89 Years

Inclusion criteria

Inclusion criteria: 1.Patients undergoing cataract surgery who are able to cooperate with fundus examination; 2.Patients who successfully complete surgery without intraoperative or postoperative complications; 3.Patients who complete follow-up visits as required and have complete clinical data;

Exclusion criteria

Exclusion criteria: 1.Patients who are unable to cooperate with the examination; 2.Patients with severe opacity of refractive media other than lens opacity, such as corneal scar or vitreous opacity, resulting in failure to obtain usable images; 3.Patients with contraindications to mydriasis or allergy to mydriatic agents;

Design outcomes

Primary

MeasureTime frame
Detection concordance rate;image quality assessment;—

Secondary

MeasureTime frame
Kappa value;—

Countries

China

Contacts

Public ContactTang Qiongyan

Changsha Aier Eye Hospital

tmmy211@gmail.com+86 731 85229669

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Sep 19, 2026