May 1991
Volume 32, Issue 6
Free
Articles  |   May 1991
Vertical saccades in superior oblique palsy.
Author Affiliations
  • R A Stathacopoulos
    Jules Stein Eye Institute, Los Angeles, California.
  • R D Yee
    Jules Stein Eye Institute, Los Angeles, California.
  • J B Bateman
    Jules Stein Eye Institute, Los Angeles, California.
Investigative Ophthalmology & Visual Science May 1991, Vol.32, 1938-1943. doi:
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      R A Stathacopoulos, R D Yee, J B Bateman; Vertical saccades in superior oblique palsy.. Invest. Ophthalmol. Vis. Sci. 1991;32(6):1938-1943.

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Abstract

Vertical saccadic velocities in 10 patients who had unilateral superior oblique muscle palsy and 14 normal subjects were measured with the magnetic scleral search coil. The authors sought to determine whether downward saccades in patients who had superior oblique palsy are slow. Peak velocities of 10 degrees and 20 degrees saccades performed in the superior and inferior fields of the orbit, and 10 degrees, 20 degrees, and 30 degrees saccades performed across the center of the orbit were recorded with the eye in center gaze, 30 degrees of adduction, and 30 degrees of abduction. Paired t-tests did not show statistically significant differences between upward and downward saccades in patients with superior oblique palsy; no effects of orbital field or position of horizontal gaze were found (P greater than 0.01). Comparison of similar saccades between normal subjects and patients with superior oblique palsy by two-sample t-tests did not show significant differences between the two groups (P greater than 0.01).

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