Localization skills: visual changes or impairment

Question 1

Visual impairment from binocular diplopia (where covering either eye normalizes vision) is caused by dysfunction of _________.

Answer 1

The EOMs (lesions of the muscles, their NMJs, their CN’s, or their connecting/descending/ascending pw’s to other brain regions)

Question 2

Damage to an ocular nerve causes:

Answer 2

Monocular blindness

Question 3

Damage to the optic chiasm causes:

Answer 3

Heteronymous hemianopsia

Question 4

Damage to the visual pw’s causes distal to optic chiasm causes:

Answer 4

Contralateral homonymous hemianopsia

Question 5

What does the patient see if they have a problem w/their retina?

Answer 5

Scotoma (a partial loss of vision or a blind spot in an otherwise normal visual field) / constricted visual fields

Question 6

Review those vision lesion diagrams.

Answer 6

Google images: vision lesions