This site is intended for healthcare professionals

Go to /sign-in page

You can view 5 more pages before signing in

Aetiology

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

  • external compression due to hypertensive or sclerotic changes in the central retinal artery in the optic nerve head
  • occlusion of the central retinal vein at its exit from the eye by raised intraocular pressure e.g. chronic glaucoma
  • venous stasis - increased viscosity e.g. dysproteinaemias, obstructive pulmonary disease; reduced blood pressure e.g. trauma, carotid artery occlusive disease, treatment for hypertension; reduced perfusion pressure from vasospasm of the central retinal artery

Create an account to add page annotations

Annotations allow you to add information to this page that would be handy to have on hand during a consultation. E.g. a website or number. This information will always show when you visit this page.