NEET PG DENTAL EXAM

BRAIN

CRANIAL NERVES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A loss of vision would indicate damage to which nerve?
A
Oculomotor
B
Olfactory
C
Abducens
D
Optic
Explanation: 

Detailed explanation-1: -Optic neuritis occurs when swelling (inflammation) damages the optic nerve-a bundle of nerve fibers that transmits visual information from your eye to your brain. Common symptoms of optic neuritis include pain with eye movement and temporary vision loss in one eye.

Detailed explanation-2: -Damage to the optic nerve anterior to the optic chiasm results in ipsilateral monocular vision loss. Damage at the optic chiasm disrupts the nasal retinal fibers of both eyes resulting in a loss of both temporal visual fields.

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