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Eye movement tics.
  1. F Shawkat,
  2. C M Harris,
  3. M Jacobs,
  4. D Taylor and
  5. E M Brett
  1. Department of Ophthalmology, Hospital for Sick Children, London.


    An 8-year-old girl presented with opsoclonus-like eye movement and an 18 month history of intermittent facial tics. Investigations were all normal. Electro-oculography showed the eye movements to be of variable amplitude (10-40 degrees), with no intersaccadic interval, and with a frequency of 3-4 Hz. Saccades, smooth pursuit, optokinetic, and vestibular reflexes were all normal. These abnormal eye movements eventually disappeared. It is thought that they were a form of ocular tics.

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