Disorder of cornea & iris Flashcards
1
Q
Bacterial keratitis- Eti
A
- Contact lens wear, trauma & surgery
- Pseduomona aeruginosa, moraxella
- Ophthal emergency
2
Q
Bacterial keratitis- Sx
A
- Hazy cornea with central access and adjacent tremble abscess
- Assoc with hypopyon
3
Q
Bacterial keratitis- Dx
A
Gram stain
4
Q
Bacterial keratitis- Tx
A
- Fluoroquinolone eye drops- levofloxacin, ofloxacin
5
Q
Herpes simplex keratitis- Eti
A
- Colonization of trigeminal ganglion
- Exacerbated by fever, sunlight, immunodeficiency
6
Q
Herpes simplex keratitis- Sx
A
- Dendritic, branching ulcer
- Herpes sores around eyelids
- Corneal opacity with recurrence
7
Q
Herpes simplex keratitis- Dx
A
- Flourescein & blue light examination
8
Q
Herpes simplex keratitis- Tx
A
- Debridement, topical antivirals
9
Q
Herpes zoster opthalmicus- Eti
A
- Trigeminal nerve
-
10
Q
Herpes zoster opthalmicus- Sx
A
- Malaise, fever, HA and periorbital burning
- Vesicular, pustular & crusting rash
- Conjunctivitis, keratitis, uveitis
11
Q
Herpes zoster opthalmicus- Tx
A
Acyclovir- oral
12
Q
Fungal keratitis- Eti
A
- Corneal injury involving plan or agricultural setting
- Indolent
13
Q
Fungal keratitis- Sx
A
Multiple stromal abscesses
- Little epithelial loss
- Intraocular infection common
14
Q
Fungal keratitis- Dx
A
Fungi culture media
15
Q
Fungal keratitis- Tx
A
Natamycin, amphotericin and voriconazole