Table 1.

Eligibility criteria

Population	Adults (aged ≥ 18 years) with type 1 or type 2 diabetes in LMICs
Intervention	Task shifting for DR detection: assessment of the target population for the presence of DR performed by individuals other than ophthalmologists
Comparison	Assessment of the target population for the presence of DR performed by ophthalmologists
Outcomes	Uptake 1. Proportion of patients accessing detection services among the adult population with type 1 and type 2 diabetes Quality 2. Proportion of patients diagnosed with DR among those accessing detection services 3. Severity of DR at detection 4. Diagnostic accuracy of the task-shifting intervention for DR detection Cost-effectiveness 5. Cost-effectiveness of the task-shifting intervention to increase DR detection
Study design	Any interventional or observational comparative study