Optic Neuritis Flashcards by Diron Ranjin | Brainscape

Q

Investigation of Optic Neuritis

A

Suspected optic neuritis: MRI of the brain and orbits with gadolinium contrast is the investigation of choice

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Q

Causes of Optic Neuritis

A

multiple sclerosis: the commonest associated disease
diabetes
syphilis

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Q

5 Features of Optic Neuritis

A

1-unilateral decrease in visual acuity over hours or days

2-poor discrimination of colours, ‘red desaturation’

3-pain worse on eye movement (THE ONE IK THE MOST)

4-relative afferent pupillary defect

5-central scotoma

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Q

Management of Optic Neuritis

A

high-dose steroids
recovery usually takes 4-6 weeks

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Q

Management of Optic Neuritis

A

IM corticosteroids and MRI of the brain and orbits

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