Micro: Eye Infections Flashcards Preview

Clinical Neuro Exam 1 > Micro: Eye Infections > Flashcards

Flashcards in Micro: Eye Infections Deck (25):
1

Main causative agent in infections outside the eye but in the orbital region such as blepharitis and styes.

Staph aureus

2

Swimming pool conjunctivitis.

Adenovirus

3

How can an infectious conjunctivitis be distinguished from an allergic conjunctivitis?

Infectious forms can spread from one eye to the other. Allergic forms tend to affect both eyes simultaneously.

4

Most serious viral conjunctivitis.

Herpes Simplex

5

AIDS conjunctivitis

Cytomegalovirus

6

Neonatal conjunctivitis

Chlamydia trachomatis, Neisseria gonorrhoeae

7

FLIES, fomites, fingers

Chlamydia trachomatis, serotypes A-C
-most common world wide eye infection

8

Thayer Martin Agar

N. gonorrhoeae

9

Pharyngoconjunctival fever

Adenovirus (swimming pools)
-self limiting with sore throat and red eyes

10

Keratoconjunctivitis

Adenovirus (classical pink eye, not from swimming pools)
-no sore throat
-highly contaigious
-red eyes, fever

11

Syncytia on Tzank smear

HSV-1, HSV-2, or VZV
-giant multinucleated cells diagnostic during eye infections

12

Owl's Eye Inclusions

Cytomegalovirus
-CMV retinitis in AIDS patients

13

Acute hemorrhagic conjunctivitis

Coxsackie A24 or Enterovirus E70

14

Koplik Spots

Measles

15

Cataract, Gluacoma

Rubella

16

Wearing contact lenses for too long causing corneal abrasions

Pseudomonas a.

17

Hematogenous spread, pseudohyphae, floaters, eye pain

Candida Albicans
-can lead to blindness

18

KOH prep

fungi and parasites

19

Sabouraud Dextrose

Fungi only

20

homemade contact solution, swimming in fresh water

Acanthamoeba
-leads to cataracts and vision loss

21

Wet mount

diagnositc of any type of amoeba

22

Undercooked pork

Toxoplasmosis

23

Larvae encyst in eye

Trichinella Spiralis

24

Black Fly, blindness

Onchocerca volvulus
-African River Blindness

25

Chrysops Fly, no blindness

Loa loa
-rainforests of west Africa