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Figure 5: Antioxidant activity of the tear fluid in general anesthesia-induced DES upon premedication with SkQ1. Total antioxidant activity (a) and activity of SOD (b), GR (c), GPx (d), and GST (e) rabbit tear samples after 6 h of general anesthesia with or without premedication using 7.5 μM SkQ1. compared with the values measured in control group.