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Flashcards in Eye in systemic disease Deck (25):
1

What causes microaneurysm?

loss of pericytes

2

What are signs of non-proliferative retinopathy?

Microaneurysms
hard exudate
cotton wool patches
abnormalities of venous calibre
intra-retinal microvascular abnormalities

3

How do diabetics lose vision?

Retinal oedema affecting the fovea
vitreous haemorrhage
scarring/tractional retinal detachment

4

What are the classifications of retinopathy?

none
mild Np
moderate Np
severe Np
proliferative retinopathy

5

What are the classifications of maculopathy?

none
observable
referable
clinically significant

6

What surgery can help diabetic maculopathy?

Vitrectomy

7

What can alter the fundus?

hypertension
arteriosclerotic

8

What are features of hypertensive retinopathy?

Attenuated blood vessels - copper or silver wiring
cotton wool spots
hard exudates
retinal haemorrhage
optic disc oedema

9

Describe central retinal artery occlusion

sudden painless loss of vision
profound loss of vision
retinal nerve fibre layer becomes swollen except for at fovea (cherry red spot)
rarely recovers

10

Describe CRVO

Sudden painless loss of vision
Range of visual loss
need to determine degree of ischaemia

11

Describe Branch vein occlusion?

Painless disturbances in vision
may be assymptomatic
may be aware of loss of part of field

12

What are infective causes of uveitis?

TB
HZ
toxoplasmosis
candidiasis
syphilis
lyme disease

13

What are non-infective causes of uveitis?

idiopathic syndromes
HLA-B27
Juvenile arthritis
Sarcoidosis
Behcet's disease

14

What is Giant Cell Arthritis?

Inflam of middle sized arteries

15

What is Giant cell arthritis assoc. with?

Polymyalgia rheaumatica

16

What are signs/symptoms of giant cell arthritis?

Headache
jaw claudication
malaise
raised PV
blinding condition

17

What are features of extraocular thyroid eye disease?

Proptosis
lid signs - retraction, oedema, lag, pigmentation
restrictive myopathy

18

What are features of ocular thyroid eye disease?

Anterior segment:
- chemosis
- injection
- exposire
- glaucoma
Posterior segment:
- choroidal folds
optic nerve swelling

19

How do you manage thyroid eye disease?

Control of thyroid dysfunction
Lubricants
Surgical decompression

20

What antibody is associated with SLE?

ani-DNA Ab

21

What is dry eyes?

Keratoconjunctivitis Sicca

22

What can rheumatoid arthritis cause?

Keratoconjunctivitis Sicca
Scleritis
Corneal melt

23

What is Sjorgens syndrome associated with?

Keratoconjunctivitis Sicca
Xerostomia
RA
Inflammation of the lacrimal glands

24

What are dermatology features of Marfans syndrome?

Steven's-Johnson syndrome/erythema multiforme
maculopapular rash
Stomatitis
Conjunctivitis

25

What happens with Stevens-Johnson syndrome?

Symblepharon
Occlusion of lacrimal glands
Corneal ulcers