Fig. (2) Reactive oxygen species in lens epithelial cells after ultraviolet exposure. The intensity of fluorescence caused by intracellular 2′,7′-dichlorofluorescein increased with UV exposure in a dose-dependent manner (A). Pre-treatment of carteolol hydrochloride at 10^-3M significantly inhibited the intracellular fluorescence after UV exposure to 100, 200, and 400 mJ/cm², respectively (B, C, and D).