The Red Eye Flashcards Preview

Ophthalmology > The Red Eye > Flashcards

Flashcards in The Red Eye Deck (58)
Loading flashcards...
1

What are the main causes of red eye?

  1. Conjunctivitis
  2. Keratitis
  3. Anterior uveitis
  4. Scleritis/episcleritis
  5. Acute angle closure glaucoma
  6. Subconjunctival haemorrhage
  7. Orbital disease such as cellulitis

2

What is the most common cause of red eye?

Conjunctivitis

3

Damage to which glands will lead to eye film disruption?

Meibomian

4

In which two ways are lacrimal glands most commonly damaged?

  1. Sjogrens syndrome
  2. Radiotherapy

5

Where is deep pain within the eye sometimes referred?

  1. Head
  2. Brow

6

Mucoid stringy discharge from the eye is associated with which cause?

Allergic cause

 

7

The use of contact lenses predisposes the wearer to which type of infection at a much higher rate than non-wearers?

Acanthomeba

8

How can an acanthamoeba infection within the eye be treated?

Chlorhexidine ophthalmic drops (antiseptic)

9

Acanthamoeba causes which condition within the eye?

Keratitis

10

When balloting the upper conjunctival fornix how will it feel if the patient has glaucoma?

Stony hard

11

What is blepharitis?

Inflamed eyelids

12

What is the difference between anterior and posterior blepharitis?

Anterior - lid margin is redder then the deeper part of the lid

Posterior - Lid margin often looks quite normal yet the deep aspect is inflamed

13

What causes anterior blepharitis?

  1. Staphylococcal infection involving the lash follicle
  2. Seborrheic scales on the eyelashes

14

What causes posterior blepharitis?

Meibomian gland dysfunction

15

How does blepharitis often feel to the patient?

  1. Dry, gritty eyes
  2. Foreign body sensation

16

What are the signs for seborrheic blepharitis?

  1. Lid margin red
  2. Scales
  3. Dandruff

17

Why is dandruff a sign for seborrheic blepharitis?

There is an association with seborrheic dermatitis which causes oily flaky skin

18

What is the term given to eyelashes which are ingrowing?

Trichiasis

19

What are the main signs for a staphylococcal blepharitis?

  1. Lid margin red
  2. Distorted lashes and trichiasis
  3. Styes, ulcers of lid margin
  4. Corneal staining, margin ulcers (exotoxin induced)

20

Posterior blepharitis, or meibomian gland disease, has a strong association with which other condition?

Rosacea

21

How is meibomian gland disease generally treated?

Long term, low dose tetracycline

22

What happens if a meibomian cyst does not resolve itself after 3 months?

Incision and drainage

23

What are the causes for infective conjunctivitis?

  1. Viral
  2. Bacterial
  3. Chlamydial

24

If conjunctivitis is associated with an itch it is most likely to be due to what?

Allergy

25

Rice grain follicles are associated with which cause of conjunctivitis?

Chlamydial/viral

26

Small circular papillae which are red in the centre and found on the inside of the eyelids are associated with which cause of conjunctivitis?

Bacterial

27

What are the most common organisms to cause bacterial conjunctivitis in adults?

  1. S. aureus
  2. S. pneumoniae
  3. H. influenzae

28

A red sticky eye is most associated with which cause for conjunctivitis?

Bacterial

29

What often preceeds a viral conjunctivitis?

URTI

30

What can induce a follicular conjunctivitis?

  1. Viral causes
  2. Chlamydial
  3. Drugs (propine, trusopt)