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OTC Therapy > Eye Disorders > Flashcards

Eye Disorders Flashcards

1
Q

As much as 90% of the dose can be lost due to what?

A

Lost to drainage and tears falling down the cheek

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2
Q

Corneal stroma vs corneal epithelium, which is lipid soluble?

A

Corneal epithelium

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3
Q

Corneal stroma vs corneal epithelium, which is water soluble?

A

Corneal stroma

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4
Q

Corneal stroma vs corneal epithelium, which is the outer most layer?

A

Corneal epithelium

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5
Q

Corneal stroma vs corneal epithelium, which is the inner most layer?

A

Corneal stroma

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6
Q

What part of the eye comprises the Uveoscleral tract

A
  1. Sclera
  2. Choroid
  3. Cililary body
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7
Q

The trabecular meshwork is located at the junction of the _____ and _____

A

cornea and iris

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8
Q

Closed angle glaucoma occurs when ________ is blocked

A

Trabecular meshwork

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9
Q

Which chamber maintains normal IOP?

A

Anterior chamber

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10
Q

Which chamber is filled with aqueous humor?

A

Anterior chamber

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11
Q

Macular degeneration occurs where?

A

Pigment epithelium

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12
Q

What kinds of RX can cause dry eyes, sensation of something in eye, etc?

A
  1. Antihistamines
  2. Antidepressants
  3. Decongestants
  4. Diuretics
  5. Beta-blockers
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13
Q

What vitamin supplements can you use to treat dry eyes?

A
  1. Omega-3 FA
  2. Fish oil
  3. Flax seed oil
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14
Q

What are some non-pharmacologic tips to treat dry eyes?

A
  1. WARM compress

2. Eyelid hygiene

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15
Q

What does hydroxypropyl methylcellulose or carboxymethylcellulose provides for dry eyes?

A

Viscosity

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16
Q

What does polyvinyl alcohol provide for dry eyes?

A

Vehicle

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17
Q

What lubricating drop that contains multiple product would you recommend for dry eyes?

A

Systane Eyedrops

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18
Q

When administering eyedrops, how long do you need to wait before the second drop? Apply eye ointment?

A

5 min for next drop

10 min for eye ointment

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19
Q

What is the first line treatment for allergic conjunctivitis?

A

Artificial tears

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20
Q

What are some other treatments (besides artificial tears) for allergic conjunctivitis?

A
  1. COOL compress (3-4 times daily)

2. Antihistamine + Congestion RX

21
Q

How many days should you limit decongestant RX on allergic conjunctivitis?

A

3 days

22
Q

What are some random exclusions for allergic conjunctivitis?

A
  1. Hyperthyroidism
  2. > 3 days w/o relief
  3. Rebound congestion
23
Q

What are some symptoms of corneal edema?

A

Halos and starbursts around lights

24
Q

What kind of formulation should you use for corneal edema?

A

Hyperosmotic (Muro-128 2% or 5%)

25
Q

What time of day is best to use ointment on the eye?

A

Bedtime

26
Q

If there is a minor irritation in the eye, you should use what kind of eye drops?

A

Drops w/ Zinc Sulfate

27
Q

What kind of lenses are regulated via FDA?

A

Soft + Gas permeable (class II)

28
Q

Moving from low to high altitudes with lenses cause ________

A

Corneal edema

29
Q

Using oral contraceptives with lenses causes _________

A

Corneal edema

30
Q

Myopia
Hyperopia
Presbyopia
Astigmatism

Which one is farsightedness?

A

Hyperopia

31
Q

Myopia
Hyperopia
Presbyopia
Astigmatism

Which one is a loss of lens elasticity due to aging?

A

Presbyopia

32
Q

Myopia
Hyperopia
Presbyopia
Astigmatism

Which one has a dissimilar curve of refractory eye surface?

A

Astigmatism

33
Q

For astigmatism, what kind of lens should you use?

A

Gas permeable or toric soft lenses

34
Q

What is the pH of normal tears?

A

7.4

35
Q

What kind of lenses are the greatest risk for most devastating consequences??

A

Soft contact lenses

36
Q

What is the most crucial step in soft contact lens care?

A

Disinfect

37
Q

Thimerosal
Benzalkonium chloride
Edetate disdoium/Sorbic Acid

Which is a potent antiseptic?

A

Thimerosal

38
Q

Thimerosal
Benzalkonium chloride
Edetate disdoium/Sorbic Acid

Which one is commonly used in saline and may cause discoloration (yellow) of lens?

A

Edetate disodium/Sorbic Acid

39
Q

Thimerosal
Benzalkonium chloride
Edetate disdoium/Sorbic Acid

Which one is concentrated on the lens and acts as a slow release reservoir into tear layer?

A

Benzalkonium chloride

40
Q

Any open container of lens care product that is used daily must be disposed of and replaced every ________ to prevent contamination

A

3 months

41
Q

Polyquaternium-1
Polyhexamethylene biguanide

Which one is effective for certain bacteria, fungi, and yeast?

A

Polyquaternium-1

42
Q

Polyquaternium-1
Polyhexamethylene biguanide

Which one is only effective for certain bacteria and yeast?

A

Polyhexamethylene biguanide

43
Q

What is the most common disinfection method of cleaning lens?

A

Using multipurpose solution (store overnight 4-6 hours)

44
Q

When should you use hydrogen peroxide for cleaning lens?

A

If you’re sensitive to multipurpose solution

45
Q

What can you use to clean lens if you’re sensitive to multipurpose solution?

A

Hydrogen peroxide

46
Q

What’s wrong with using household hydrogen peroxide for cleaning lenses?

A

pH is too low and can discolor lens

47
Q

What are the only approved FDA systems to clean with silicone hydrogel materials?

A

Clear Care + Peroxi-Clear

48
Q

What are the disadvantages of multipurpose solutions?

A
  1. Preservatives can cause irritations
  2. Linked to outbreaks of corneal infections
  3. Replace opened container after 3 months

OTC Therapy (43 decks)

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