Because there's a limited amount of space, when tissues swell, something grows, or there's more liquid than normal, the pressure inside goes up and, in turn, can cause papilledema. That may happen ...

Papilledema is a serious medical condition ... such as it being out of position or appearing more blurred than normal. These changes can indicate that the optic nerve is swollen.

Nonophthalmologist physicians do not confidently perform direct ophthalmoscopy. The use of artificial intelligence to detect papilledema and other optic-disk abnormalities from fundus photographs ...

Papilledema refers to swelling of the optic ... In idiopathic intracranial hypertension, the patient will have swollen optic nerves, normal brain imaging and elevated opening pressure during ...