% of eyes with no change or an improvement in visual acuity Number of Eyes with a Decrease in acuity (average change in LogMar value) Number of Eyes with no change in visual acuity Number of Eyes with an Improvement in acuity (average change in LogMar value) Total  Mycophenolate 83% 2 (0.1) 2 8 (0.47) 12 Dapsone 69% 10 (0.2) 14 8 (0.17) 32 Cyclophosphamide 60% 4 (0.4) 3 3 (0.19) 10 Azathioprine 100% 0 0 2 (0.5) 2

Table 3: Outcomes for first drug treatment.