Hypometric Saccades

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Bilaterally hypometric horizontal saccades

Horizontally and vertically (11 seconds) hypometric saccades. Typical of a lesion of the dorsal vermis which is responsible for the accuracy and not the velocity of the saccades.

Bilaterally hypometric horizontal saccades

Horizontally and vertically (11 seconds) hypometric saccades. Typical of a lesion of the dorsal vermis which is responsible for the accuracy and not the velocity of the saccades.

Hypometric saccades indicate a cerebellar lesion of the ocular motor vermis.