Fundus picture – Papilledema
Image by The eyes have it

• Papilledema is optic disc edema caused by increased intracranial tension
• The effect of increased intracranial tension affects both eyes and hence papilledema is usually seen bilaterally. (See conditions in which papilledema is seen unilaterally)

1. Etiology of papilledema
2. Unilateral papilledema
3. Pseudotumor cerebri (Benign intracranial hypertension)
4. Otitic hydrocephalus