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Effective permeability coefficients of TEA and SA obtained in the passive (open bars), anodal iontophoretic (black bars), and cathodal iontophoretic (gray bars) transport experiments with human sclera. Data represent the mean and standard deviation, n ≥ 4. The Student’s t-test analyses show significant differences between the iontophoresis and passive data (p < 0.05) and between the cathodal iontophoresis and anodal iontophoresis data (p < 0.05).
