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Opthamology > The Red Eye > Flashcards

Flashcards in The Red Eye Deck (36):
1

Can orbital cellulitis cause red eye?

Yes

2

What are the occular defences?

Lids
Tears
Conjunctivae - mucous
Epithelium - corneal/conjunctiva

3

What can cause a corneal ulcer?

Lid disease

4

What immunoglobulins are in tears?

IgA
IgG

5

What enzyme is in tears?

Lysozyme

6

What is blepharitis?

Inflamed eyelids

7

What can cause posterior eye lid inflammation?

Meibomian gland dysfunction

8

What does the lid margin look like in posterior eye inflammation?

Can be normal

9

What are symptoms of blepharitis?

Gritty eyes
Foreign body sensation
mild discharge

10

What are signs of seborrhoeic blepharitis?

red lid margin
scales ++
dandruff
no ulceration nor lashes problems

11

What are signs of Staphylococcal blephratis?

red lid margin
lashes distorted
ulcers of lid margins
corneal staining

12

What is eyelash ingrowing?

Trichiasis

13

What is posterior blepharitis associated with?

Acne rosacea (50%)

14

How do you treat Blepharitis?

Lid hygeine - daily bathing + warm compresses
Supplementary tear drops
Oral doxycycline for 2-3 months

15

What are symptoms of conjunctivitis?

Red eye
foreign body - gritty eye
discharge - sticky eye
itch - allergy

16

What are signs of conjunctivitis?

Red eye
Discharge
Papillae or follicular
oedema (chemosis)

17

Is vision affected in conjunctivitis?

No

18

What are the more common organisms to cause conjunctivitis?

Staph aureus
Strep pneumoniae
H. influenzae

19

What can cause viral follicular conjunctivitis?

Adeno
HS
HZ

20

What drugs can cause follicular conjunctivitis?

Propine
Trusopt

21

What autoimmune disorders can cause corneal ulcers?

Rheumatoid arthiritis
Wagener's granulomatosis
Polyartheritis

22

What are symptoms of corneal ulcers?

pain
photophobia
perfuse lacrimation

23

What are signs of a corneal ulcer?

redness
corneal reflex
corneal opacity
staining
hypopyon

24

How do treat corneal ulcers?

Gram stain and culture to find cause
aciclovir if herpetic
Ofloxacin hourly if bacterial
oral/topical steroids if autoimmune

25

What are autoimmune causes of anterior uveitis?

Reiter's
UC
Ank spondylitis
Sarcoidosis

26

What are infective causes of anterior uveitis?

TB
Syphilis
Herpes simplex
Herpes zoster

27

What are symptoms of anterior uveitis?

pain
reduced vision
photophobia
red eye

28

Can cancer cause anterior uveitis?

yes, e.g. leukaemia

29

What are signs of anterior uveitis?

ciliary injection
cells & flare in anterior chamber
Keratic precipitates
Hypopyon
Synechiae - small or irregular pupil

30

How do you manage anterior uveitis?

Topical steroids - Pred forte 1% hourly tapering over 4-8 weeks
Mydriatics - Cyclopentolate 1% BD

31

What is episcleritis associated with?

Gout

32

What is scleritis?

A serious disease
painful

33

What is scleritis assoc with?

Vasculitides,
Rh arthritis
Wegener's
and Uveitis

34

What test is done for scleritis?

Phenylephrine

35

What are treatments for episcleritis?

lubricants
topical NSAIDs
mild sclerosis

36

What are treatments for scleritis?

Oral NSAIDs
Oral steroids
steroid sparing agents