“…Characteristic neuro‐ophthalmological findings in PS consist of vertical gaze palsy, especially upward rather than downward; pupillary light‐near dissociation; convergence‐retraction nystagmus; and lid retraction. However, as aforementioned in the letter of Dr Onder, it was found that the classical triad of PS was only present in 65% of cases in a recent crucial review . Pollak et al defined PS as showing one or more of the following signs: limitation of upgaze, pupillary light‐near dissociation or convergence‐retraction nystagmus .…”