10 | No retinopathy | A | 0 | No retinopathy | A |
20 | Minimal | B | 1a | Minimal | B |
35a | Mild with loops | F | 1b | Minimal with haem | B |
35b | Mild with Quest CWS/VB/IRMA | C | 2a | Mild with haem/HE/CWS | C |
35c | Mild with haem | C | 2b | Mild with Ma/HE | C |
35d | Mild with HE = 2 | C | 3a | Maculop with haem<1DD | D |
35e | Mild with HE>3 in 1+ | C | 3b | Maculop with HE<1DD | D |
35f | Mild with CWS | C | 3c | Maculop with HE groups | D |
43a | Moderate with HMA>3 in 4/5 | E | 3d | Maculop with reduced VA/CSME | D |
43b | Moderate with IRMA = 2 in 1–3 | E | 4a | Mod/severe with CWS/HMA | E |
47a | Mod/severe with both 43 | E | 4b | Mod/severe with IRMA/VB | F |
47b | Mod/severe with IRMA = 2 in 4–5 | F | 5 | Prolif | G |
47c | Mod/severe with HMA = 4 in 2–3 | E | 6 | Advanced | G |
47d | Mod/severe with VB = 2 in 1 | F | U | Unassessable | U |
53a | Severe with 2 or more 47s | F | | | |
53b | Severe with HMA>4 in 4–5 | E | 2c | Treated DR | C |
53c | Severe with IRMA>3 in 1+ | F | | | |
53d | Severe with VB = 2 in 2–3 | F | | | |
61a | Mild prolif with FPE or FPD | G | | | |
61b | Mild prolif with NVE = 2 in 1+ | G | | | |
65a | Mod/prolif with NVE>3 in 1 or NVD = 2 | G | | | |
65b | Mod/prolif with VH or PRH = 2 in 1 | G | | | |
71a | HRC with VH or PRH>3 in 1+ | G | | | |
71b | HRC with NVE>3 in 1+ and VH/PRH | G | | | |
71c | HRC with NVD = 2 and VH/PRH | G | | | |
71d | HRC with NVD>3 | G | | | |
75 | HRC with NVD>3 and VH/PRH | G | | | |
81 | Advanced DR | G | | | |
88 | Unasessable | U | | | |
99 | Unassessable | U | | | |