Figure 2.
Graphs showing indocyanine green (ICG) dose finding for human patient ocular surface lymphangiography. A, Indocyanine green was mixed at various concentrations and the eye was imaged using the Spectralis HRA+OCT, the same camera used for human participants. High ICG concentration resulted in little or no signal, consistent with an inner filter effect. B, Data from only 0.01% to 0.0001% ICG concentration. The 0.005% concentration was chosen for human participants in the study. Data shown as mean ± standard error of the mean.
