Lesions of visual apparatus

What includes optic nerve, or tract, MS most common cause?

Retorbulbar neuritis

T/f: Vision loss can be minimal or the disease can result in complete blindness.

T

Optic neuritis affects _______ twice as often as the other gender and usually affects adults between the ages of 20 and 40.

Women

The vast majority of people with a lesion of the visual apparatus also have pain when they move what?

Their eyes

Between 20% and 40% of the 25,000 people who develop optic neuritis in the United States each year will develop _____ within 5 years.

MS

What is the most common cause of intrinsic brain stem lesions in the younger population?

What about in older patients?

MS

vascular disease.

Brainstem pathologies have deficits that are crossed with cranial nerve dysfunction on one side and a ______ or _____ deficit on the opposite side.

Motor or sensory

Wha can cause brainstem disease?

stroke, MS ana neoplasm

What will bilateral brainstem involvement will affect what type of function?

Sphincter

What are two good exams for MS?

Pallanestsia

Corneal blink

What imagining is good to diagnosis MS?

MRI

What Maybe decreased with lesions involving peripheral nerves, nerve roots, DRG, posterior columns, multiple sclerosis and lesions of the ML (medial lemnicus)?

Vibratory exam (pallanesthesia)