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19 Cards in this Set

  • Front
  • Back
Why don't you put steroids into an eye you are unsure of?
Risk of flaring of dendritic ulcer! (herpes)
Define keratitis?
inflammation of cornea
Features of bacterial conjunctivitis?
-sticky eye
-start unilat, can become bilat
Rx for conjunctivitis?
-chloramphenicol (chloromycetin) drops 2-4 hrly
-eye r/w if not better in 72hrs
Similarity b/w a stye and chalazion?
-both are infection of glands, just diff ones
Rx for stye?
-massage w/ hot compress
Characteristics of iritis?
-deep set pain
-assoc w/ H/A, nausea
-can have increased ICP (tf DDx is glaucoma)
Rx for glaucoma?
-pilocarpine to constrict pupil, this helps open up angle (in closed angle glaucoma)
Ix for orbital cellulitis and periorbital cellulitis?
-head CT -> tells you if there is extension
Rx for corneal abrasion?
-chloromycetin drops
-homatropine if severe pain
What is a hyphema?
-blood in ant chamber (can see a fluid level)
What is Seidel's test?
Indications for chloramphenicol?
-Infections of the eye and lids due to susceptible organisms
-Prophylaxis after surgery or superficial trauma
CI to chloramphenicol?
Allergy to chloramphenicol
Adverse effects of chloramphenicol?
unpleasant taste
allergy, eg local reactions, angioedema, anaphylaxis, dermatitis (often moderately severe)
Dosage of chloramphenicol for bacterial conjunctivitis?
Bacterial conjunctivitis:
1 drop every 2–4 hours for 2 days; then if there is improvement, 1 drop 4 times daily for 5 days.
-Ointment may be used as an adjunct to drops at night, or as a single agent 3 times daily, eg in children.
What organisms are you covering for with chloramphenicol?
-broad spectrum bacteriostatic activity against Gram-positive, Gram-negative (except Pseudomonas spp.) and anaerobic bacteria; good ocular penetration
Is there an association between chloramphenicol and aplastic anemia?
-large population based studies have found no association between use of chloramphenicol eye drops and aplastic anaemia
Describe the 3 cloramphenicol products?
-eye drop, 0.5%, 10 mL, Chloromycetin (Pfizer), Chlorsig (Sigma), PBS
-eye drop (single use), 0.5%, 0.5 mL, 20, Minims, Chloramphenicol (Bausch & Lomb)
-eye oint, 1%, 4 g, Chloromycetin (Pfizer), Chlorsig (Sigma), PBS