Papilloedema is characterised by all of the following EXCEPT-
Vision loss occurs in long standing papilloedema (not in acute pappiloedema), and that occurs in less than 25% of patients.
Post neuritic atrophy also occurs in long standing papilloedema and not acute papilloedema.
Loss of retinal venous pulsations
Transient obscurations of vision
Sudden painless loss of vision
Disc oedema