Annual rates of progression to high risk proliferative retinopathy by severity of non-proliferative retinopathy: review schedule giving 4% risk between appointments
| Severity NPDR | % PDR/year | Review |
|---|---|---|
| *In our institution, patients with mild NPDR and type 2 diabetes are discharged to annual community review. Patients with type 1 diabetes, who are monocular, or who have other specific risk factors are reviewed annually in the clinic. | ||
| Mild | 1 | 48 months* |
| Moderate | 4 | 12 months |
| Severe | 8 | 6 months |
| Very severe | 17 | 3 months |