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Systemic Ocular Pathology and Pharmacology > Ocular Diseases : 2 > Flashcards

Ocular Diseases : 2 Flashcards

1
Q

What occurs when the amount of oxygen is reduced due to restricted or reduced blood flow?

A

Ischemia

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2
Q

Does ischemic optic neuropathy result in visual field loss but visual acuity is not affected?

A

No

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3
Q

What is caused by poor blood flow associated with diseases such as diabetes or hypertension?

A

Non Arteritic Anterior Ischemic Optic Neuropathy

NAION

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4
Q

What is linked to blood vessel inflammation secondary to giant cell arteritis?

A

Arteritic Anterior Ischemic Optic Neuropathy

AION

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5
Q

What is swelling of the optic nerve?

A

Papilledema

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6
Q

What is one of the first signs of Multiple Sclerosis?

A

Optic Neuritis

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7
Q

What is the autoimmune disease that attacks the myelin sheath?

A

Multiple Sclerosis

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8
Q

Are swollen optic nerves with blurry margins characteristics of optic neuritis?

A

Yes

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9
Q

What occurs when the optic nerve is inflamed?

A

Optic Neuritis

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10
Q

Is the HbA1C blood test useful for measuring day to day blood sugar levels in a diabetic person?

A

No

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11
Q

What is referred to as adult onset diabetes?

A

Type 2 Diabetes

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12
Q

Do elevated blood sugar levels associated with diabetes cause damage to blood vessels?

A

Yes

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13
Q

What occurs due to blockage of a retinal artery by a cholesterol plaque?

A

Branch Retinal Artery Occlusion

BRAO

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14
Q

What is diabetic retinopathy and hypertensive retinopathy characterized by?

A

Hemorrhages
Exudate
Cotton wool spots

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15
Q

What are risk factors for developing hypertension?

A

Smoking
Older age
Lack of physical activity

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16
Q

What disease is due to lack of blood flow to the optic nerve?

A

Ischemic Optic Neuropathy

17
Q

What is a swollen optic nerve called due to intracranial pressure?

A

Papilledema

18
Q

What is an ophthalmic disease that is associates with the systemic diseases called multiple sclerosis?

A

Optic Neuritis

19
Q

What is a systemic disease that is associated with a lack of insulin or resistance to insulin?

A

Diabetes

20
Q

What are retinal features associated with diabetic retinopathy?

A

Hemorrhages
Cotton Wool Spots
Exudate

21
Q

What is hypertension or high blood pressure associated with?
(Retinal Disease)

A

Hypertensive Retinopathy

22
Q

What is due to the restriction of the central vein by an artery that is under high pressure?

A

Central Retinal Vein Occlusion

23
Q

What is a term used to describe when one of the retinal arteries constricts a retinal vein when they cross paths?

A

Arteriovenous Nicking

Arteriovenous crossing changes

Systemic Ocular Pathology and Pharmacology (34 decks)

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