Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

AB 4th Year Surgical Specialties > Ophthalmology - Red Eye > Flashcards

Ophthalmology - Red Eye Flashcards

1
Q

features of allergic conjunctivitis?

A

mucous

itchy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

features of viral conjunctivitis?

A

watery

follicles on underside of lid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

features of bacterial conjunctivitis?

A

purulent
gritty eyes
stuck together
papillae on underside lid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

common causes of bacterial conjunctivitis?

A

staph
streo
chlamydia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

viral causes of conjunctivitis?

A

adenovirus (after URTI)
HZV
HSV

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Tx for bacterial conjunctivitis?

A

clean eyelids

chloramphenicol 4xday

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what is keratitis?

A

microbial invasion of the cornea

EMERGENCY

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

commonest cause of keratitis?

A

corneal ulcer (HS)

bacterial
fungal
viral

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

features of a corneal ulcer?

A 
severe pain 
photophobia
lacrimation
reduced vision
red eye
± hypophyn
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

features of viral keratitis?

A

bilateral

after URTI

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Ix for corneal ulcer?

A

corneal scraping

+ microscopy/culture/PCR

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Tx for viral corneal ulcer?

A

acyclovir if HS

steroids if adenovirus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

features of orbital cellulitis?

A 
painful
decreased eye movements
colour vision goes
decreased visual acuity 
fever
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

how to differentiate orbital and peri orbital cellulitis?

A

orbital function remains

stye often causes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

risks factors for orbital cellulitis?

A

sinusitis
post op
kids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Ix for orbital cellulitis?

A

CT

inflam markers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Tx for orbital cellulitis?

A

ceftriaxone + fluclox + met

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

what is endopthalmitis?

A

infection of the intraocular eye fluids

19
Q

when does endopthalmitis often occur?

A

post op

20
Q

causes of endopthalmitis?

A

staph epi

21
Q

Tx for endopthalmitis? how is it prophylactically avoided?

A

intravitreal Abx

given during surgery

22
Q

features of episcleritis?

A

blanching eye redness

not painful

23
Q

what are features of scleritis?

A 
painful
deep red
lacrimation
photophobia
vessels do not blanch
systemic disease
24
Q

Tx for scleritis?

A

NSAIDs

steroids

25
Q

what is anterior uveitis?

A

inflam of the iris + ciliary body (made up the anterior uvea)

26
Q

features of anterior uveitis?

A 
pain
dull ache
reduced vision
photophobia
curcumcorneal redness
hypopyn 
cells in anterior chamber
synechiae
27
Q

causes of anterior uveitis?

A

UC
ank spon
sarcoid
TB

28
Q

Tx for anterior uveitis?

A

steroids
mydriatics
investigate for systemic disease

29
Q

what is the normal IOP?

A

10-21mmHg

30
Q

what causes acute closed angle glaucoma?

A

closure of the anterior angle chamber
fluid builds up as usually drains through this angle
causes raised IOP

31
Q

risk factors for acute closed angle glaucoma?

A

elderly
hypermetropia (long sighted)
coming from dark to bright lights

32
Q

features of acute closed angle glaucoma?

A 
pain
N+V
headache
blurred vision
cloudy cornea
pupil non reactive and mid dilated
circumcorneal redness
33
Q

Ix for acute closed angle glaucoma?

A

gonioscopy

avoid dark rooms

34
Q

Tx for acute closed angle glaucoma? example of drug from each class?

A

carbonic anhydrase inhibitors (acetazolamide)
B blockers (timolol)
cholinergic agonist (pilocarpine - pupils CONSTRICT)
topical steroids

laser peripheral iridectomy once IOP controlled

35
Q

what bacterial causes keratitis? what do contact lens wearers often get?

A

staph aureus

pseudomonas aerguinosa in contact lens wearers

36
Q

what is the preferred conjunctivitis treatment in pregnancy? why?

A

topical fusidic acid

risk of aplastic anaemia

37
Q

features of a corneal abrasion?

A 
gritty
photophobia
painful 
blurred vision 
pain
38
Q

Ix for corneal abrasion?

A

fluorescin dye (yellow glow in epithelial surface breaks)

39
Q

Tx for corneal abrasion?

A

chloramphenicol
dilate (cyclopentolate)
analgesia

40
Q

who gets fungal corneal ulcers?

A

contact lens wearers

acamthamoeba

41
Q

what can cause peripheral eye ulcers?

A

RA
HS
vasculitis

42
Q

Ix for corneal ulcer?

A

corneal scrape
gram stain and culture
PCR

43
Q

common cause of bacterial ulcers?

A

staph

strep

AB 4th Year Surgical Specialties (16 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions