Comparison of the Optos 200Tx non-mydriatic fundus camera and the Topcon TRC-50DX camera for diabetic retinopathy evaluation

Comparison of the Optos 200Tx non-mydriatic fundus camera and the Topcon TRC-50DX camera for diabetic retinopathy evaluation - Evaluation of the Optos 200Tx non-mydriatic fundus camera

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

NL-OMON

Registry ID

NL-OMON35208

Enrollment

Registered

2011-12-01

Start date

2011-12-06

Completion date

Unknown

Last updated

2024-05-06

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

Conditions

diabetes mellitus

Interventions

None listed

Eligibility

Age

18 Years to 99 Years

Inclusion criteria

Inclusion criteria: We are particularly interested in patients without diabetic retinopathy (DRP) (n=30) and patients with minimal changes due to DRP (micro-aneurysms and other small lesions) (n=30). If the quality of the pictures is good enough to spot these small lesions, it will also be good enough to spot larger abnormalities.

Exclusion criteria

Exclusion criteria: Age below 18 years. Absence of informed consent

Design outcomes

Primary

Measure	Time frame
Main study parameter/endpoint The number of diabetic lesions found on the Optos 200Tx photographs taken in miosis, on the Optos 200Tx photographs taken in mydriasis, and on the photographs made with the current camera in mydriasis.	—

Secondary

Measure	Time frame
Secondary study parameters/endpoints A forced choice subjective ranking of the image quality of paired Optos pictures: miosis versus mydriasis.	—

Countries

Netherlands

Outcome results