Ocular Supplements Flashcards

1
Q

Which vitamins have potential to reduce cataract progression?

A

Vitamin E and C

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2
Q

T/F: According to AREDS2 Lutein & Zeaxanthin

supplements are beneficial in reducing cataract development by 32%.

A

True

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3
Q

Which supplement has neuroprotective role thru its ability to improve cerebral blood flow?

A

GINKGO BILOBA

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4
Q

Which supplements can be used for dry eyes?

A

Omega-3 Fatty Acids and Vitamin A

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5
Q

Is AMD genetically heritable?

A

Yes, AMD is about 46-71% hereditary

*responsiveness to AREDS supplement depends on AMD risk alleles

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6
Q

T/F: 50% OF AMERICANS TAKE SUPPLEMENTS

A

Ture.

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7
Q

What risk does Vitamin C supplements have?

A

Risk of blood thinning effects.

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8
Q

Vitamin E deficiency causes which eye condition?

A

Ophthalmoplegia

*an EOM palsy (paresis or plegia) that occurs in patients lacking apolipoprotein B that is req’d for intestinal absorption of lipids

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9
Q

What is the risk of Vitamin E supplements in men?

A

Risk of prostate cancer

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10
Q

T/F: Vit C toxicity associated with papilledema.

A

False. Vitamin A toxicity associated with papilledema.

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11
Q

What is the function of Lutein & Zeaxanthin in the human retina?

A

Filter harmful blue light

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12
Q

T/F: Omega-3 FAs have blood thinner/bleeding risk.

A

True. This is due to Omega-3s anti-inflammatory effects.

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13
Q

T/F: With Vitamin E there is a risk of Platelet inhibition at high doses (>1000mg).

A

True

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14
Q

Taking high doses of which vitamin is associated with reported risk of cancer in (former) smokers and alcoholics ?

A

Vit A

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15
Q

Which vitamin has toxicity associated with papilledema?

A

Vit A

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16
Q

Name the three vitamin antioxidants.

A

“ACE” = Vitamins A, C and E

17
Q

You can have decreased copper (or copper deficiency) if you are taking which other mineral?

A

Zinc

18
Q

Which mineral has a deficiency that mimics Vit A deficiency due to its involvement in the conversion of Retinol -> Retinal?

A

Zinc

19
Q

Which mineral is important for MAO formation?

A

Copper

20
Q

Where is the concentration of Zeaxanthin highest in the macula compared to Lutein?

A

Zeaxanthin is predominantly found in macula lutea, and lutein is distributed more peripherally.

21
Q

T?F: Short chain omega fatty acids are more bioavailable.

A

False.

*Long chain omega fatty acids are more bioavailable.

22
Q

Place theses formulations of omegas from the highest bioavalability to least bioavalability.
Fish Body oil, Ethyl Esters, Free Fatty Acids and Triglyceride (glyceryl) esters.

A

Most bioavailable to least bioavailable:

Triglyceride (glyceryl) esters > Fish Body Oil > Free Fatty Acid > Ethyl Esters

23
Q

What are the risk factors for AMD?

A
Smoking
Ultraviolet Light
Poor Diet
Light Eyes
Aging
Family History
Ethnicity
Co-morbidities: HTN, obesity
24
Q

What were the results of AREDS1 study?

A

Supplementation reduced the rate of advanced AMD in people at high risk by 25% over 6 years