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Exam qs > Eye > Flashcards

Eye Flashcards

1
Q

State one side effect of using gels/ointments/drops

A

Transient blurred vision

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2
Q

What is the expiry date once gels/ointments/drops are used

A

28 days

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3
Q

State a preservative used in eye care

A

Benzalkonium chloride

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4
Q

State TWO side effects of benzalkonium

A

Stinging and irritation

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5
Q

Which TWO drugs can stain contact lenses

A

Rifampicin and Sulfasalazine

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6
Q

What colour does rifampicin stain contact lenses

A

Red

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7
Q

What colour does sulfasalazine stain contact lenses

A

Yellow/Orange

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8
Q

What are the TWO treatments for dry eyes and frequency

A

Hypromellose - OD every hour
Carmellose - OD QDS

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9
Q

What is the tx for conjunctivitis

A

Chloramphenicol

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10
Q

What is the tx for viral conjunctivitis associated with herpes simplex

A

Aciclovir 5 times a day until 3 days after healing

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11
Q

What is the tx for blepharitis

A

Hygiene measures
Chlorampenicol oint on eyelid
Fusidic acid cream for staph infections

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12
Q

What are the TWO side effects of topical corticosteroids

A

Cataracts
Steroid glaucoma

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13
Q

What is the tx for corneal ulcers

A

Intensive course with ciprofloxacin eye drops - OD one drop every 15 minutes for the first 6 hours

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14
Q

Give one major interaction with phenylephrine

A

MAOIs
Risk of hypertensive crisis

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15
Q

What is glaucoma

A

Raised intra ocular pressure

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16
Q

What are the 1st line txs for glaucoma

A

B blocker eye drops (Timolol)
Prostaglandin analogue eye drops (Latanoprost)

17
Q

State one contraindication of b blocker eye drops

A

Asthma - risk of bronchospasm

18
Q

Where do you store latanoprost

A

Fridge (2-8 degrees)

19
Q

State side effects of prostaglandin analogues

A

Dry eyes
Ocular discomfort
Change eye colour (darker)
Thicken/lengthen lashes

20
Q

What are the 2nd line tx’s for glaucoma

A

Symapthomimetic drops (Brimonidine)
Carbonic anhydrase inhibitors drops (Brinzolamide)
Acetazolamide (orally)

21
Q

What are the symptoms of closed angle glaucoma (medical emergency)

A

cloudy/hazy eyes
rainbow coloured lights
blurred vision
intense eye pain
vomiting
headache

22
Q

Which 4 drug classes reduce blink rate

A

Anxiolytics
hypnotics
antihistamines
muscle relaxants

23
Q

How can isotetrinoin affect contact lens wear

A

Causes conjunctival inflammation

24
Q

How can aspirin affects contact lens wear

A

Salicylic acid absorbed into tears leading to irritation

25
Q

What is Lodoxamide used for

A

Allergic conjunctivitis including seasonal

26
Q

Who can Lodoxamide 0.1% eye drops be sold to

A

Adults and children 4+ for allergic conjunctivitis

27
Q

What is nepafenac eye drops used for

A

Prophylaxis and tx of post op pain and inflammation with cataract surgery

Reduction in risk of post of macular oedema with cataract surgery in diabetic pts

28
Q

What is conjunctivitis and blepharitis usually caused by

A

staph

29
Q

What drugs are effective against pseudonomas aeriginosa

A

Gentamicin
Tobramycin
Quinolones

30
Q

what rare side effect is associated with ciprofloxacin eye drops

A

Ear pain

31
Q

Which quinolone eye drop can cause tongue and oropharangeal swelling

A

Ofloxacin

32
Q

State 3 common side effects of chloramphenicol

A

angioedema
eye stinging
bone marrow disorders
fever
skin reactions

33
Q

State the risk factors of glaucoma

A

Age, ethnicity, T2DM, family hx, corticosteroid use, HTN, CVD

34
Q

What age does age-related macular degeneration occur

A

55 +

Exam qs (3 decks)

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