<prompt> All the following are true about Papilledema exceptIt is a purely non-inflammatory phenomenonTransient loss of vision occursFirst sign is blurring of the nasal side of the optic discSudden loss of vision with painful eye movement  <response>: D i.e. Painful eye movements and sudden loss of vision In papilloedema there is painless gradually progressive loss of vision which is usually bilateralQ which occurs after a long time only when optic atrophy sets in. In contrast, in papillitis there is LK sudden marked painful loss of vision with ocular tenderness at inseion of MR SRQ medial superior rectus, which is accompanied by pain on ocular movements, pulfrich phenomenon RAPD Q. 