Disorders Of The Central And Peripheral Nervous Systems

Eye movement disorders arising from disturbance of the normal neurophysiology may be classified as supra-nuclear, internuclear, or infranuclear.

FIGURE 5-1. Clinical evaluation of range of eye movements. Versions and cover test measurements allow the examiner to decide whether the eye movements are normal (no limitation) or limited. Forced duction testing is used to differentiate a restriction (positive resistance to movement of the globe) from a "paresis" (no resistance to movement of the globe).

FIGURE 5-1. Clinical evaluation of range of eye movements. Versions and cover test measurements allow the examiner to decide whether the eye movements are normal (no limitation) or limited. Forced duction testing is used to differentiate a restriction (positive resistance to movement of the globe) from a "paresis" (no resistance to movement of the globe).

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