Optic Disc Swelling and Papilledema
The optic disc is a non-sensory spot in the retina where the axons of the ganglion cells carrying afferent light-induced impulses to the visual cortex of the brain converge to leave the eye.

It appears as a sharply defined light-colored round region, slightly to the nasal side of the center of the retina, and is also called the optic nerve head.

Swelling of this disc may occur due to a diverse range of etiologies, some inflammatory, others associated with vascular abnormalities, and still others due to increased intracranial pressure (ICP)...