Central retinal artery occlusion

Question 1

Source of central retinal artery occlusion

Answer 1

Internal carotid —> ophthalmic —> central retinal

Question 2

Significant causes of artery occlusion

Answer 2

• atherosclerosis

- giant cell arteritis

Question 3

RFs

Answer 3

Same as vein occlusion

Question 4

Classic high risk patients

Answer 4

• giant cell arteritis, poly myalgia rheumatica
• > 50
• white
• female

Question 5

Presentation of retinal artery occlusion

Answer 5

Sudden painless loss of vision

Question 6

Fundoscopy & other findings of artery occlusion

Answer 6

• relative afferent pupillary defect
• pale retina
• cherry-red spot

Question 7

Potentially reversible cause of artery occlusion

Answer 7

Giant cell arteritis

Question 8

Testing for retinal artery occlusion (2)

Answer 8

• ESR

- temporal artery biopsy

Question 9

Artery occlusion tx

Answer 9

Steroids (prednisolone)