Optic Neuritis Flashcards
1
Q
What causes optic neuritis?
A
Inflammation to the the optic nerve
2
Q
Optic neuritis can be the first indication of…
A
Multiple sclerosis
3
Q
Other than in association with MS, what other conditions cause it?
A
Syphilis
DM
4
Q
What features are associated with it?
A
Unilateral decrease in visual acuity over hours or days
Poor discrimination of colours - red desaturation
Pain worse on eye movement
RAPD
Central scotoma
5
Q
How is it managed?
A
High dose methylprednisolone for 72 hours IV then prednisolone PO for 11 days
6
Q
How long does recovery usually take after treatment?
A
4-6 weeks
7
Q
What percentage develop MS in next 15 years?
A
45-80%
8
Q
How does the pain typically feel?
A
Dull pain behind the eye
