central retinal vein occlusion

Question 1

risk factors if central retinal vein occlusion

Answer 1

increasing age
hypertension
high cholesterol
diabetes, smoking, glaucoma, and polycythaemia

Question 2

features of central vein occlusion

Answer 2

sudden, painless reduction or loss of visual acuity, usually unilaterally

Question 3

risk factors of retinal detachment

Answer 3

increasing age, eye injury, or extreme myopia.

Question 4

central retinal vein occlusion fundoscopy

Answer 4

severe retinal haemorrhages, cotton wool spots are usually seen on fundoscopy

Question 5

features of central retinal artery occlusion

Answer 5

sudden, painless vision loss, described as a descending curtain

Question 6

fundoscopy finding of central artery occlusion

Answer 6

cherry-red spot at the fovea centralis as well as atheromatous plaques

Question 7

features of retinal detachment

Answer 7

sudden, painless vision loss similar to CRAO (‘descending curtain’) but patients often report floaters and flashes of light preceding this

Question 8

fundoscopy findings of retinal detachment

Answer 8

retinal tears are also often visible on fundoscopy without haemorrhages or cotton wool spots.

Question 9

DD for sudden painless loss of vision

Answer 9

central retinal vein occlusion

central artery occlusion

amaurosis fugax

retinal detachment

Question 10

types of retinal vein occlusion

Answer 10

central

branch

ischaemic

non ischaemic

Question 11

Ix for CRVO

Answer 11

BP
Glucose
FBC
ESR
history of previous thromboses/miscarriages

Question 12

Tx for central retinal vein occlusion

Answer 12

reduce IOP

macular oedema - dexamethasone intravitreal implant/ anti-VEGF therapies/ intravitreal triamcinolone acetonide