You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is All of the following signs may be appreciated in a patient with early papilloedema except and explain in detail?
PAPILLOEDEMA Clinical features: Early (incipient) papilloedema : Symptoms are usually absent and visual acvity is normal. Pupillary reactions are normal. Ophthalmoscopic features of early papilloedema are: (i) Obscuration of the disc margins (nasal margins are involved first followed by the superior, inferior and temporal). (ii) Blurring of peripapillary nerve fibre layer. (iii) Absence of spontaneous venous pulsation at the disc (appreciated in 80% of the normal individuals). (iv) Mild hyperaemia of the disc. (v) Splinter haemorrhages in the peripapillary region may be present. Visual fields are fairly normal. Ref:- A K KHURANA; pg num:-299