Central retinal vein occlusion

Question 1

What are the risk factors for central retinal vein occlusion?

Answer 1

Hypertension
Cardiovascular disease
Glaucoma
Polycythemia
Smoking
Obesity
Diabetes

Question 2

What is the clinical presentation of central retinal vein occlusion?

Answer 2

Sudden, painless loss of vision

Question 3

What is seen on fundoscopy in central retinal vein occlusion?

Answer 3

Flame haemorrhages
Dot and blot haemorrhages
Retinal oedema
Cotton wool spots
Dilated or tortuous retinal veins

Question 4

What are the differentials of central retinal vein occlusion?

Answer 4

Diabetic retinopathy
Hypertensive retinopathy
Central retinal artery occlusion
Retinal detachment

Question 5

What is the management of central retinal vein occlusion?

Answer 5

Laser photocoagulation of retinal neovascularisation
anti-VEF injections for macular oedema

Question 6

What are the complications of central retinal vein occlusion?

Answer 6

Neovascularisation
Vitreous haemorrhage
Hyphaema (bleeding in the anterior chamber)