The Eye and Systemic Disease Flashcards Preview

Opthalmology > The Eye and Systemic Disease > Flashcards

Flashcards in The Eye and Systemic Disease Deck (15):
1

What is the pathogenesis of diabetic retinopathy

chronic hyperglycaemia --> glycosylation of protein/basement membrane--> loss of pericytes-->microaneurysm - leakage and ischaemia

2

What are signs of non proliferative retinopathy

microaneurysms/ dot haemorrhages
hard exudate
cotton wool pathes
abnormal venous calibre
intra retinal microvascular abnormalities

3

What is the name of new vessles forming on the iris

rubeosis iridis
severe ischaemia

4

Why do diabetic patients lose vision

retinal oedema affecting fovea
vitrous haemorrhage
scarring/tractional retinal detachment

5

What is the treatment of diabetic retinopathy

laser- PRP
macular grid
vitrectomy

6

When do you get a cherry red spot on fundus

CRAO

7

When can you get a rubeotic eye

New vessel formation due to ischaemia due to CRVO

8

Name diseases in which you can get uveitis

Infective= TB, herpes zoster, candidiasis, syphilis, lyme
Non infective- HLA- B 27, juvenile arthrisis, sarcoidosis, behet's

9

What is the triad of sjogrens

keratoconjunctivitis sicca
xerostomia
RA (usually)

10

What are the dermotological manifestations of marfans

Stevens johnson syndrom
erythema multiforme
drud/food hypersensitvity
maculopapular rash
stomatitis
conjunctivitis

11

What is stevens- johnson syndrome

symblepharon
occlusion of lacrimal glands
corneal ulcers

12

What are the features of hypertensive retinopathy

Attenuated blood vessels-copper or silver wiring
cotton wool spots
hard exudates
retinal haemorrhage
optic disc oedema
venous/arteriolar 'nipping'

13

Who usually presents with worse hytertensive retinopahty

young people

14

What are the features of thyroid eye disease

Proptosis (most common cause)
Lid lag
Chemosis
Glaucoma
Lid retraction
Pigmentation
Injection
Potentially blinding complications

15

What is a symblepharon

A symblepharon is a partial or complete adhesion of the palpebral conjunctiva of the eyelid to the bulbar conjunctiva of the eyeball.