Figure 4

Trends in MBR in PIC eyes and the fellow eye after the systemic administration of corticosteroids. In the PIC eye, MBR increased at each circle, sequentially, after the initiation of systemic corticosteroid administration. Although corticosteroid treatment was discontinued after 4 months, MBR remained increased by 20.0%, 43.3% and 18.2%, respectively, at 12 months after treatment compared with baseline measurements (100%). At the time of PIC recurrence (20 months after the initial visit), however, the MBR values in each circle showed decreases of 13-73% compared to the 12-month values. Three months after the resumption of systemic corticosteroid treatment (23 months after baseline), 20-30% increases in MBR compared to the values at 20 months were noted in all circles. However, MBR at the macula in the fellow eye remained unchanged or showed little change (−4.5 ± 4.2%) during follow-up.