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. 2021 Apr 13;10(4):8. doi: 10.1167/tvst.10.4.8

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Figure 6. — L-DOPA treatment restored reduced retinal dopamine in diabetic rats. L-DOPA treatment significantly increased (A) L-DOPA, (B) dopamine, and (C) DOPAC levels compared with vehicle treated rats, two-way ANOVA, main effects: F (1, 18) = 44.98, P < 0.0001; F (1, 18) = 5.960, P = 0.0252; and F (1, 17) = 19.06, P = 0.0004, respectively. Diabetes significantly decreased (B) dopamine levels in the retina, two-way ANOVA, main effect F (1, 18) = 10.12, P = 0.0052), but not L-DOPA or DOPAC levels. Data plotted as mean ± standard error of the mean.