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