Neurological conditions

Question 1

describe how damage to the path the optic nerve takes causes different visual field defects

Answer 1

Question 2

what are causes of ophthalmoplegia?

Answer 2

Multiple sclerosis

Vascular

Tumour

Congenital

Aneurysm

Question 3

List the sections of optic pathways?

How does damage to optic pathways affect visual fields?

Answer 3

optic nerve
chiasm
optic tracts
optic radiations
cortex

Question 4

what part of the optic pathway would be affected to produce this Homonomous,
Macular sparing defect?

What are the most likely causes?

Answer 4

Occipital cortex

Demylelination (MS)

Vascular Disease (CVA)

Question 5

which segments of the optic pathways are most affected by tumours?

Answer 5

Optic chiasm

Tracts

and

Radiations

Question 6

what is most likely to damage the occipital cortex?

Answer 6

Vascular- CVA

Demyelination- MS

Question 7

what are the symptoms of optic neuritis?

What usually is the cause?

Answer 7

• Progressive visual loss (unilateral)
• Pain behind eye, especially on movement
• Colour desaturation
• Central scotoma
• Gradual recovery over weeks - months

MS