Definition of Parinaud’s syndrome (dorsal midbrain) includes:
Related question: Which one of the following ocular signs is NOT seen in Horner’s syndrome?
Answer: The original description of Parinaud’s syndrome included upgaze palsy and convergence paralysis. However, the definition has now been widened to include the triad of upgaze paralysis, convergence retraction nystagmus, and pupillary light-near dissociation. Also, it may sometimes include conjugate downgaze in primary position and rarely downgaze palsy.
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