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Figure 7. Computerized oculomotor vision screening (COVS) validity for measuring positive fusional vergence (PFV). (a) PFV measures of mild traumatic brain injury (mTBI) () and non-mTBI (×) subjects are presented on scatter plot showing regression line for both groups combined (fine solid line), mTBI group (fine dashed lines), and non-mTBI group (fine dotted line). (b) Bland-Altman plot shows horizontal lines at mean difference (bold dotted line); upper and lower 95 percent limits of agreement (LOAs) (bold dashed lines); and regression line for both groups combined (fine solid line), mTBI group (fine dashed lines), and non-mTBI group (fine dotted line). Area right of vertical dashed line indicates expected normative value range. PD = prism diopter. Capó-Aponte JE, Tarbett AK, Urosevich TG, Temme LA, Sanghera NK, Kalich ME. Effectiveness of computerized oculomotor vision screening in a military population: Pilot study. J Rehabil Res Dev. 2012;49(9):1377–98.http://dx.doi.org/10.1682/JRRD.2011.07.0128