optic neuritis

Question 1

symptoms of optic neuritis

Answer 1

Visual loss, eye pain and red desaturation

unilateral decrease in visual acuity over hours or days
poor discrimination of colours, ‘red desaturation’
pain worse on eye movement
relative afferent pupillary defect
central scotoma

Question 2

causes of optic neuritis

Answer 2

multiple sclerosis
diabetes
syphilis

Question 3

management of optic neuritis

Answer 3

high-dose steroids

recovery usually takes 4-6 weeks