In papilledema, all the following are true except -: (A) Blurring of the disc, (B) Congestion of retinal veins, (C) Soft white exudates around the disc, (D) Sudden loss of vision
Answer is D. Visual acuity and pupillary reactions usually remain fairly normal until late stages when optic atrophy sets. Even then, there is gradually progressive painless loss of vision.