Osce

Question 1

Causes of full loss of vision in 1 eye from optic nerve lesion?

Answer 1

Optic neuritis (MS)
Central rental artery occlusion

Question 2

Causes of bi nasal hemianopia.

Answer 2

Calcification of both ICA

Congential hydrocephalus

Question 3

Causes of right homonymus hemianopia?

Answer 3

Left MCA occulsion (lesion in the optic tract)

Question 4

Causes of a central scitoma bilaterally?

Answer 4

Tip of the occipital cortex lesion (MS or occipital branch of the MCA contralateral side)
or macular destruction (diabetic retinopathy or retinitis pigmentosa)