ophthalmic infections

Question 1

viral keratitis

Answer 1

• fluorescein corneal staining to sus it out
  tx: aciclovir ointment
  or
  valaciclovir 12 hrly 7-10 days
  aciclovir 5 times daily 7-10 days
• Herpes Simplex

but if shingles - need oral antivirals

Question 2

bacterial keratitis

Answer 2

• ciprofloxacin (every hr)
• cefalozin and gentamycin (alt every 30 mins)

Question 3

fungal keratitis

Answer 3

natamycin (order via SAS)
or can compound voriconazole eye drops

Question 4

Acanthamoeba Keratitis

Answer 4

phmb - polyhexamethylene biguanide or
chlorhexidine (bis-guanide)

Question 5

Bacterial Endophthalmitis

Answer 5

ceftazidime or
vancomycin

Question 6

synechia

Answer 6

anticholinergics like atropine, cyclopentolate

Question 7

Viral Endophthalmitis

Answer 7

Intravitreal foscarnet
oral: Valaciclovir/acyclovir oral tablets (herpes virus)
valganciclovir (CMG)

Question 8

Fungal Endopthalmitis

Answer 8

Intravitreal amphotericin (covers candida)
Intravitreal voriconazole
(covers candida and aspergillus)