| Mean difference (SE) | 95% CI mean difference | SD differences | TRV (95% confidence limits for agreement) | Min/max difference | |
| ETDRS-ETDRS | 0.00 (0.01) | −0.02, 0.02 | 0.06 | ±0.12 | −0.10, 0.16 |
| COMPlog-COMPlog | 0.01 (0.01) | 0.00, 0.02 | 0.05 | ±0.10 | −0.12, 0.16 |
| ETDRS-COMPlog | −0.02 (0.01) | −0.04, 0.00 | – | – | – |