Optic Neuritis

Question 1

What is optic neuritis?

Answer 1

An inflammatory condition that affects the optic nerve.

Question 2

Role of optic nerve?

Answer 2

transmitting visual information from the eye to the brain

Question 3

Typical presentation of optic neuritis?

Answer 3

• sudden onset vision loss
• pain on eye movement
• changes in colour perception
• RAPD

Question 4

What condition is optic neuritis commonly associated with?

Answer 4

MS

note - can also occur as an isolated event or in association with other autoimmune disorders.

Question 5

Mx of optic neuritis?

Answer 5

Steroids to reduce inflammation

Symptomatic mx

Question 6

What is the hallmark symptom of optic neuritis?

Answer 6

Acute, unilateral visual loss

The severity may vary from mild to severe impairment or even complete loss of vision in the affected eye.

Question 7

What colour perception is particularly affected in optic neuritis?

Answer 7

Red-green discrimination.

Question 8

What is Uhthoff’s phenomenon?

Answer 8

A transient worsening of visual symptoms with increased body temperature due to exercise, hot showers, or fever.

Often seen in optic neuritis.