What is the term for involuntary jerking of the eyes when gazing toward the side?

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Multiple Choice

What is the term for involuntary jerking of the eyes when gazing toward the side?

Explanation:
The movement is horizontal gaze nystagmus. Nystagmus means involuntary, rhythmic eye jerks, and when the eyes are held looking to the side, the jerking occurs horizontally. This distinguishes it from spontaneous nystagmus, which can occur without any particular gaze direction, and from pupil dilation or color vision deficiency, which are unrelated to these eye movements.

The movement is horizontal gaze nystagmus. Nystagmus means involuntary, rhythmic eye jerks, and when the eyes are held looking to the side, the jerking occurs horizontally. This distinguishes it from spontaneous nystagmus, which can occur without any particular gaze direction, and from pupil dilation or color vision deficiency, which are unrelated to these eye movements.

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