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Ocular Motility Testing in Children
Abstract
The purpose of this chapter is to provide the main indications, background, and procedures when assessing eye movement function in the pediatric patient. The assessment of extraocular motility function includes version and ductions using the H pattern test in order to determine the presence of underaction or overactions of the extraocular muscles (EOM). EOM testing detects abnormalities in the structural and neurological integrity caused by an acquired or congenital disease of the central nervous system. Deficits in eye movement function can also contribute to poor academic performance which requires a developmental approach to the assessment of saccadic and pursuit eye movements to determine if a referral for optometric vision therapy is indicated. For the older child who is reading to learn, an assessment of reading eye movements using objective tests, such as the Visagraph and/or the ReadAlyzer, will guide the direction of the management plan.
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