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. Author manuscript; available in PMC: 2006 Mar 20.
Published in final edited form as: Anesthesiology. 2004 Oct;101(4):831–841. doi: 10.1097/00000542-200410000-00006

Fig. 3.

Fig. 3

Sedation effect as measured by the Norris Visual Analog Scale (VAS; Physical and Mental Sedation combined, maximum score of 40; top) and the Maddox Wing (bottom), a test of exophoria, in prism diopters. During drug administration, low performing subjects (those with performance scores below the median during drug administration, striped bars) were more sedated than placebo subjects by self-ratings (VAS) and more sedated than high-performing subjects (solid bars) on the Maddox Wing test. Dex = dexmedetomidine; Plac = placebo.