Optic Neuritis Flashcards
1
Q
what is optic neuritis
A
inflammation of the optic nerve
heavily associated with MS
2
Q
what can cause optic neuritis
A
MS
antibody mediated
non infectious (autoimmune disease)
infection
post infectious (EBV)
3
Q
presentation of optic neuritis
A
post occular pain
flashes (worse with eye movement)
visual field loss and decreased acuity
reduced colour/contrast vision
4
Q
what is the natural history of optic neuritis
A
worsens over hours to days
will start to improve within 2 weeks with or without treatment
5
Q
what investigation can be done for optic neuritis
A
MRI with gadolinium contrast
shows enhanced optic nerve
may see MS plaques
6
Q
management of optic neuritis
A
IV methylprednisolone with prednisolone taper
can reduce risk of MS and is effective within MS patients
7
Q
A
