Figure 3

ICGA following a single PUT treatment on a rabbit choroid up to 4 weeks after treatment. (a) Indocyanine green angiography (ICGA) taken before the PUT treatment. (b) ICGA taken right after the PUT treatment, showing slightly reduced blood perfusion in the treated area. (c–f) ICGA taken at 1 week, 2 weeks, 3 weeks, and 4 weeks, respectively, after the PUT treatment, demonstrating nonperfusion in the treated area which persisted until week 4. Red circles indicate treated area.