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Average corneal hysteresis values for session one before, 2 minutes after, and 5 minutes after the instillations of polyvinyl alcohol (0.5%), tetracaine hydrochloride (0.5%), and oxybuprocaine hydrochloride (0.4%).
Note: The P values are the results of repeated-measures ANOVA comparisons for each eye drop.
Abbreviation: ANOVA, analysis of variance.
