The Optic Nerve Flashcards
1
Q
What is the term used to describe swelling of the optic nerve head? What is the most important cause?
A
Papilledema; Increased intracranial pressure
2
Q
Ophthalmic findings in papilledema
A
Swollen optic nerve head and with blurred margins and dilated vessels
3
Q
What is the general progression of vision resulting from papilledema?
A
Few acute Syx, enlargement of normal blindspot, atrophic changes
4
Q
What are the causes of optic atrophy?
A
Long-standing edema, optic neuritis, optic nerve compression, glaucoma, retinal degeneration
5
Q
What is Leber hereditary optic neuropathy caused by?
A
Point mutations in the mitochondrial genome
