Age and Sex Variation in the Duration of Action and Corneal Touch Threshold (CTT) following Instillation of 0.5% Topical Ophthalmic Proparacaine and Tetracaine Hydrochlorides

<div>Time course curve showing the effect of age on the onset and duration of actions of (a) proparacaine and (b) tetracaine. Values plotted are mean corneal touch threshold ± standard error of mean (<i>n</i> = 80). Repeated measures ANOVA followed by post hoc Tukey HSD.</div>

Journal of Ophthalmology

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Figure 1

Figure 1: Age and Sex Variation in the Duration of Action and Corneal Touch Threshold (CTT) following Instillation of 0.5% Topical Ophthalmic Proparacaine and Tetracaine Hydrochlorides 

Figure 1 | Age and Sex Variation in the Duration of Action and Corneal Touch Threshold (CTT) following Instillation of 0.5% Topical Ophthalmic Proparacaine and Tetracaine Hydrochlorides 