Eye Disorders

Question 1

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

Answer 1

Lost to drainage and tears falling down the cheek

Question 2

Corneal stroma vs corneal epithelium, which is lipid soluble?

Answer 2

Corneal epithelium

Question 3

Corneal stroma vs corneal epithelium, which is water soluble?

Answer 3

Corneal stroma

Question 4

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

Answer 4

Corneal epithelium

Question 5

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

Answer 5

Corneal stroma

Question 6

What part of the eye comprises the Uveoscleral tract

Answer 6

1. Sclera
2. Choroid
3. Cililary body

Question 7

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

Answer 7

cornea and iris

Question 8

Closed angle glaucoma occurs when ________ is blocked

Answer 8

Trabecular meshwork

Question 9

Which chamber maintains normal IOP?

Answer 9

Anterior chamber

Question 10

Which chamber is filled with aqueous humor?

Answer 10

Anterior chamber

Question 11

Macular degeneration occurs where?

Answer 11

Pigment epithelium

Question 12

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

Answer 12

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

Question 13

What vitamin supplements can you use to treat dry eyes?

Answer 13

1. Omega-3 FA
2. Fish oil
3. Flax seed oil

Question 14

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

Answer 14

1. WARM compress

2. Eyelid hygiene

Question 15

What does hydroxypropyl methylcellulose or carboxymethylcellulose provides for dry eyes?

Answer 15

Viscosity

Question 16

What does polyvinyl alcohol provide for dry eyes?

Answer 16

Vehicle

Question 17

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

Answer 17

Systane Eyedrops

Question 18

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

Answer 18

5 min for next drop

10 min for eye ointment

Question 19

What is the first line treatment for allergic conjunctivitis?

Answer 19

Artificial tears

Question 20

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

Answer 20

1. COOL compress (3-4 times daily)

2. Antihistamine + Congestion RX

Question 21

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

Answer 21

3 days

Question 22

What are some random exclusions for allergic conjunctivitis?

Answer 22

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

Question 23

What are some symptoms of corneal edema?

Answer 23

Halos and starbursts around lights

Question 24

What kind of formulation should you use for corneal edema?

Answer 24

Hyperosmotic (Muro-128 2% or 5%)

Question 25

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

Answer 25

Bedtime

Question 26

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

Answer 26

Drops w/ Zinc Sulfate

Question 27

What kind of lenses are regulated via FDA?

Answer 27

Soft + Gas permeable (class II)

Question 28

Moving from low to high altitudes with lenses cause ________

Answer 28

Corneal edema

Question 29

Using oral contraceptives with lenses causes _________

Answer 29

Corneal edema

Question 30

Myopia Hyperopia Presbyopia Astigmatism Which one is farsightedness?

Answer 30

Hyperopia

Question 31

Myopia Hyperopia Presbyopia Astigmatism Which one is a loss of lens elasticity due to aging?

Answer 31

Presbyopia

Question 32

Myopia Hyperopia Presbyopia Astigmatism Which one has a dissimilar curve of refractory eye surface?

Answer 32

Astigmatism

Question 33

For astigmatism, what kind of lens should you use?

Answer 33

Gas permeable or toric soft lenses

Question 34

What is the pH of normal tears?

Answer 34

7.4

Question 35

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

Answer 35

Soft contact lenses

Question 36

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

Answer 36

Disinfect

Question 37

Thimerosal Benzalkonium chloride Edetate disdoium/Sorbic Acid Which is a potent antiseptic?

Answer 37

Thimerosal

Question 38

Thimerosal Benzalkonium chloride Edetate disdoium/Sorbic Acid Which one is commonly used in saline and may cause discoloration (yellow) of lens?

Answer 38

Edetate disodium/Sorbic Acid

Question 39

Thimerosal Benzalkonium chloride Edetate disdoium/Sorbic Acid Which one is concentrated on the lens and acts as a slow release reservoir into tear layer?

Answer 39

Benzalkonium chloride

Question 40

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

Answer 40

3 months

Question 41

Polyquaternium-1 Polyhexamethylene biguanide Which one is effective for certain bacteria, fungi, and yeast?

Answer 41

Polyquaternium-1

Question 42

Polyquaternium-1 Polyhexamethylene biguanide Which one is only effective for certain bacteria and yeast?

Answer 42

Polyhexamethylene biguanide

Question 43

What is the most common disinfection method of cleaning lens?

Answer 43

Using multipurpose solution (store overnight 4-6 hours)

Question 44

When should you use hydrogen peroxide for cleaning lens?

Answer 44

If you're sensitive to multipurpose solution

Question 45

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

Answer 45

Hydrogen peroxide

Question 46

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

Answer 46

pH is too low and can discolor lens

Question 47

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

Answer 47

Clear Care + Peroxi-Clear

Question 48

What are the disadvantages of multipurpose solutions?

Answer 48

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