Cranial nerves

Question 1

list the three types of blindness

Answer 1

Bilateral blindness of rapid onset, Sudden blindness in one eye, and Bilateral blindness of gradual onset.

Question 2

Bilateral blindness of sudden onset

Answer 2

bilateral occipital lobe infarction,
bilateral occipital lobe trauma, bilateral
optic nerve damage, and hysteria

Question 3

Sudden blindness in one eye

Answer 3

retinal
artery or vein occlusion, temporal arteritis, non-arteritic
ischaemic optic neuropathy and, occasionally,
optic neuritis or migraine.

Question 4

Bilateral blindness of gradual onset

Answer 4

Cataracts, glaucoma, macular degeneration, diabetic retinopathy, and bilateral optic nerve or chiasmal compression.