Flashcards in Microbiology Deck (29)
List the main organisms that cause neonatal bacterial conjunctivitis
All cases of neonatal bacterial conjunctivitis should be referred. True/False?
List the main organisms that cause bacterial conjunctivitis
List symptoms of bacterial conjunctivitis
Red, hot eyes
Eyelids stick together
Bacterial swabs should be taken prior to prescribing antibiotics for bacterial conjunctivitis. True/False?
What is the main topical antibiotic for bacterial conjunctivitis?
When must chloramphenicol be avoided?
History of aplastic anaemia
How does discharge in bacterial conjunctivitis differ from adenoviral conjunctivitis?
List the 3 main organisms that cause viral conjunctivitis
When should chlamydial conjunctivitis be suspected?
Unresponsive to treatment/chronic
Bilateral conjunctivitis in young adults
Less discharge + less irritating
What is hypopyon?
Inflammatory cells in the anterior chamber of the eye
Appears as exudate over the eye
What type of ulcer can result from viral herpetic keratitis?
Bacterial keratitis usually occurs in association with other corneal disease. True/False?
Also contact lens wear
Herpetic keratitis should be treated with steroids. True/False?
Steroids can cause corneal melt + perforation
List symptoms of orbital cellulitis
Painful eye movements
List the main organisms that cause orbital cellulitis
IV antibiotics may be started before culture results in orbital cellulitis. True/False?
What is endophthalmitis and how is it usually caused?
Devastating infection inside the eye
Trauma, nail guns, surgery, injections
What is the most common organism cause of endophthalmitis?
Outline treatment of endophthalmitis
Intravitreal amikacin + vancomycin
List the main causes of chorioretinitis
CMV in AIDS
What type of infection is toxoplasmosis?
What is toxocara?
Roundworm infection that affects cats/dogs but can spread to humans
What is the danger of toxocara?
Can form granules to cause irreversible visual loss
What are the 3 main types of eye swabs?
What investigation may be done for bacterial keratitis?
What investigation may be done for endophthalmitis?
When might antivirals be used for eye disease?
Dendritic ulcers of the cornea