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Systemic Ocular Pathology and Pharmacology > Ocular Diseases : Optic Nerve Diseases > Flashcards

Ocular Diseases : Optic Nerve Diseases Flashcards

1
Q

What is the lack of blood flow to optic nerve called?

A

Ischemic Optic Neuropathy

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2
Q

What are the two types of Ischemic Optic Neuropathy?

A

Arteritic Anterior Ischemic Optic Neuropathy (AAION)

Non Arteritic Ischemic Optic Neuropathy (NAION)

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3
Q

What is associated with temporal artiritis?

A

AAION

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4
Q

What is reduced blood flow to the nerve?

A

NAION

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5
Q

What are the characteristics of AAION and NAION?

A

Sudden vision loss
Reduced VS
VF defects

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6
Q

Which one is associated with diabetes, hypertension, hyperlipidemia and renal disease?

A

NAION

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7
Q

What is the treatment for NAION?

A

Treat underlying disease

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8
Q

Which one is associated with giant cell arteritis?

A

AAION

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9
Q

What is the treatment for AAION?

A

High dose steroids

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10
Q

What is acute, painless vision loss in one or both eyes?

A

Posterior Ischemic Optic Neuropathy

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11
Q

What are the 3 types of PION?

A

Arteritic PION from GCA
Non Arteritic PION
Perioperative PION

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12
Q

What occurs in PION?

A

Reduced blood flow and oxygenation to INTRAORBITAL optic nerve

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13
Q

Where is the reduced blood flow and oxygenation?

A

Intraorbital Nerve

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14
Q 
What disease : 
Optic disc swelling 
Generally bilateral 
Headaches 
Enlarged blind spot
A

Papilledema

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15
Q

What is papilledema caused by?

A

ELEVATED INTRACRANIAL PRESSURE

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16
Q

What disease is caused by elevated intracranial pressure?

A

Papilledema

17
Q 
What disease : 
Optic disc swelling 
Optic disc pallor 
VF defects
Pupillary defect 
Generally unilateral
A

Optic Neuritis

18
Q

What is optic neuritis caused by?

A

Multiple Sclerosis

19
Q

What device measure the retinal fiber layer?

A

Optical Coherence Tomography

20
Q

How does the OCT work?

A

Scanning light beams to asses reflected light and generate images

Systemic Ocular Pathology and Pharmacology (34 decks)

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