Figure 1. Color fundus photographs of mice treated with NaIO₃ or NaIO₃ + TMP at three time points. Top, middle, and bottom: three groups at day 3, 7, and 14 after the NaIO₃ administration. Left to right: The control group, NaIO₃-degenerated group (Group I), and the tetramethylpyrazine (TMP) group.